I need help and steps please

Answer:

9,749,821

Step-by-step explanation:

9,809,821 - 60,000 = 9,749,821.

Hope this helped! If it's correct please give me brainliest! :)

Answer:

186

Step-by-step explanation:

f(x)=2x^2+x-4

f(-10)=2(-10)(-10)+(-10)-4=2(100)-10-4=200-10-4=190-4=186

Answer:

186

Step-by-step explanation:

The probability that a single bulb will burn out within the next 10 minutes is approximately 0.6321. The expected amount of time until the first bulb goes out is 10 minutes. The probability density function (pdf) of the random variable T, representing the time when you leave the room after the last light bulb goes out, is given by \(g(t) = 20 * (1/10) * e^{(-(1/10)t)} * (1 - e^{(-(1/10)t))^(19)}\).

To find the probability that a single bulb will burn out within the next 10 minutes, we can use the exponential distribution. The exponential distribution with a mean of 10 minutes has a rate parameter λ = 1/10.

The probability density function (pdf) for an exponential distribution is given by \(f(x) = λ * e^{(-λx)}\)

In this case, we want to find the probability that a bulb burns out within the next 10 minutes, which corresponds to the cumulative distribution function (CDF) at x = 10. The CDF is given by \(F(x) = 1 - e^{(-λx)\)

So, substituting the values, we have:

\(F(10) = 1 - e^{(-(1/10)*10)\)

\(= 1 - e^{(-1)\)

= 1 - 0.3678794412

≈ 0.6321

Therefore, the probability that a single bulb will burn out within the next 10 minutes is approximately 0.6321.

The amount of time until the first bulb goes out follows an exponential distribution with a rate parameter of λ = 1/10 (since it has a mean of 10 minutes).

The probability density function (pdf) for the time until the first bulb goes out is given by\(f(t) = λ * e^{(-λt).\)

To find the expected amount of time until the first bulb goes out, we need to calculate the mean (or expected value) of this distribution.

The expected value of an exponential distribution with rate parameter λ is equal to 1/λ. In this case, the expected value is 1/(1/10) = 10 minutes.

Therefore, the expected amount of time until the first bulb goes out is 10 minutes.

To find the probability density function (pdf) of the random variable T, which represents the time when you leave the room (after the last light bulb goes out), we need to consider the distribution of the maximum of the exponential random variables.

Since there are 20 light bulbs in the room, and each follows an exponential distribution with a rate parameter λ = 1/10, the time until the last bulb goes out can be modeled as the maximum of 20 exponential random variables.

The pdf of the maximum of independent exponential random variables with the same rate parameter λ is given by \(g(t) = n * λ * e^{(-λt)} * (1 - e^{(-λt))^(n-1)}\), where n is the number of random variables.

In this case, n = 20, and λ = 1/10. Thus, the pdf of T is \(g(t) = 20 * (1/10) * e^{(-(1/10)t)} * (1 - e^{(-(1/10)t))^(19)}\)

This expression represents the pdf of the random variable T, which denotes the time when you leave the room after the last light bulb goes out.

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An eating disorder characterized by bingeing and purging is called bulimia nervosa.

The minimum amount of body fat needed for good health is variable and can depend on factors such as age, gender, and individual circumstances. However, essential body fat is typically estimated to be around 3-5% for men and 8-12% for women.

The term used to describe a person who is very overfat is obese. Obesity refers to having excessive body fat, which can have negative effects on health.

People with anorexia nervosa, an eating disorder characterized by restrictive eating and an intense fear of gaining weight, often see themselves as too fat even when they are extremely thin. This distorted body image is a characteristic feature of anorexia nervosa.

A technique for assessing body fat levels that involves being weighed under water is called hydrostatic weighing or underwater weighing. It is considered one of the more accurate methods for determining body composition.

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Answer:

Cluster analysis is used to identify groups of entities that have similar characteristics is a true statement.

Step-by-step explanation:

Cluster analysis is a statistical technique used to identify groups or clusters of entities that exhibit similar characteristics or behaviors. It is a common method employed in data mining, machine learning, and exploratory data analysis.

The goal of cluster analysis is to group data points or entities in a way that maximizes the similarity within each cluster and minimizes the similarity between different clusters. The similarity or dissimilarity between data points is typically measured using a distance or similarity metric, such as Euclidean distance or correlation coefficient.

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The correct choice is the sequence is not monotonic. The sequence is bounded. The sequence converges, and the limit is -2 (option c).

The given sequence (-2) does not vary with the index n, as it is a constant sequence. Therefore, the sequence is both monotonic and bounded.

Since the sequence is bounded and monotonic (in this case, it is non-decreasing), we can conclude that the sequence converges.

The limit of a constant sequence is equal to the constant value itself. In this case, the limit of the sequence (-2) is -2.

Therefore, the correct choice is:

OC. The sequence is not monotonic. The sequence is bounded. The sequence converges, and the limit is -2.

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The limit of the sequence is -2.

Given sequence is ((-2)}

To find the limit of the given sequence, we have to use the following formula:

Lim n→∞ anwhere a_n is the nth term of the sequence.

So, here a_n = -2 for all n.

Now,Lim n→∞ a_n= Lim n→∞ (-2)= -2

Therefore, the limit of the given sequence is -2.

Also, the sequence is not monotonic. But the sequence is bounded.

So, the correct choice is:

The sequence is not monotonic.

The sequence is bounded.

The sequence converges, and the limit is -2.

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The critical numbers of the function h(p) = (p - 1) / (p^2 - 5) are "dne" (does not exist).

To find the derivative of h(p), we can apply the quotient rule. Taking the derivative, we have:

h'(p) = \([(p^2 - 5)(1) - (p - 1)(2p)] / (p^2 - 5)^2\)

Simplifying this expression, we get:

h'(p) = \((p^2 - 5 - 2p^2 + 2p) / (p^2 - 5)^2\)

= \((-p^2 + 2p - 5) / (p^2 - 5)^2\)

To find the critical numbers, we set h'(p) equal to zero and solve for p:

\(-p^2 + 2p - 5 = 0\)

However, this quadratic equation does not factor easily. We can use the quadratic formula to find the solutions:

p = (-2 ± √\((2^2 - 4(-1)(-5))) / (-1)\)

p = (-2 ± √(4 - 20)) / (-1)

p = (-2 ± √(-16)) / (-1)

Since the discriminant is negative, the equation has no real solutions. Therefore, the critical numbers of the function h(p) = (p - 1) / (\(p^2\) - 5) are "dne" (does not exist).

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The domain of the relation R is the set of numbers from the domain of A that satisfy the relation, which is {2, 3, 5}. The range of the relation R is the set of numbers obtained by substituting the elements of the domain into the relation, which is {9, 11, 15}.

Given sets A = {2, 3, 5} and B = {6, 10, 15}, and the relation R defined as y = 2x + 5, we can determine the domain and range of the relation.

Domain: The domain of the relation R is the set of x-values for which the relation is defined. In this case, the x-values are taken from the set A. Therefore, the domain of R is {2, 3, 5}.

Range: The range of the relation R is the set of y-values obtained by substituting the elements of the domain into the relation. By substituting the elements of the domain into y = 2x + 5, we get the corresponding y-values: y = 2(2) + 5 = 9, y = 2(3) + 5 = 11, y = 2(5) + 5 = 15. Therefore, the range of R is {9, 11, 15}.

To summarize, the domain of the relation R is {2, 3, 5}, and the range of R is {9, 11, 15}.

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Answer:

D. 2 3 • 3 2 • 5

Step-by-step explanation:

ig I need at least 20 characters to submit my answer. :)

Answer:

its d.

Step-by-step explanation:

The probability of 0 non conforming units is 0.47.

To find the probability of 0 non conforming units, we can use the fact that the sum of the probabilities of all possible outcomes is equal to 1. Therefore,

P(0 non-conforming units) = 1 - P(1 non-conforming unit) - P(2 non-conforming units)

We are given that P(1 non-conforming unit) = 0.38 and P(2 non-conforming units) = 0.15. Substituting these values into the equation, we get:

P(0 non-conforming units) = 1 - 0.38 - 0.15

P(0 non-conforming units) = 0.47

Therefore, the probability of obtaining 0 non-conforming units is 0.47.

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D. 12,386, if you do the math thats what is equals

The equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3.Given two points (-8, 9) and (2, -6). We are supposed to find the equation of the line that passes through these two points.

We can find the equation of a line that passes through two given points, using the slope-intercept form of the equation of a line. The slope-intercept form of the equation of a line is given by, y = mx + b,Where m is the slope of the line and b is the y-intercept.To find the slope of the line passing through the given points, we can use the slope formula: m = (y2 - y1) / (x2 - x1).Here, x1 = -8, y1 = 9, x2 = 2 and y2 = -6.

Hence, we can substitute these values to find the slope.m = (-6 - 9) / (2 - (-8))m = (-6 - 9) / (2 + 8)m = -15 / 10m = -3 / 2Hence, the slope of the line passing through the points (-8, 9) and (2, -6) is -3 / 2.

Now, using the point-slope form of the equation of a line, we can find the equation of the line that passes through the point (-8, 9) and has a slope of -3 / 2.

The point-slope form of the equation of a line is given by,y - y1 = m(x - x1)Here, x1 = -8, y1 = 9 and m = -3 / 2.

Hence, we can substitute these values to find the equation of the line.y - 9 = (-3 / 2)(x - (-8))y - 9 = (-3 / 2)(x + 8)y - 9 = (-3 / 2)x - 12y = (-3 / 2)x - 12 + 9y = (-3 / 2)x - 3.

Therefore, the equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3. Thus, the answer is (-3/2)x - 3.

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(a) The slope of an indifference curve at an arbitrary consumption bundle (x0, y0) is given by the negative ratio of the marginal utilities of x and y, i.e., -MUx/MUy.

(b) Taking the derivative of the expression in part (a) gives the second-order derivative of the indifference curve. If the utility function u is quasiconcave on R+2, this second-order derivative will be positive, demonstrating the law of diminishing marginal rate of substitution.

In economics, an indifference curve represents the combinations of two goods (x and y) that provide the same level of utility or satisfaction to an individual.

The slope of an indifference curve measures the rate at which the individual is willing to substitute one good for another while remaining indifferent.

To derive an expression for the slope of an indifference curve at a given consumption bundle (x0, y0), we consider the marginal utilities of x (MUx) and y (MUy).

The slope is determined by the negative ratio of MUx to MUy, which indicates the relative change in x compared to y that maintains the same level of utility.

Taking the derivative of this expression provides the second-order derivative of the indifference curve. If the utility function u is quasiconcave on R+2, which means that indifference curves are convex, the second-order derivative will be positive.

This confirms the law of diminishing marginal rate of substitution, stating that as an individual consumes more of one good, they are willing to give up less of the other good to maintain the same level of satisfaction.

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The equilibrium price and quantity for each pair of demand and supply functions are as follows:

a. Q = 10 - 2P

To find the equilibrium, we set the quantity demanded equal to the quantity supplied:

10 - 2P = P

By solving this equation, we can determine the equilibrium price and quantity. Simplifying the equation, we get:

10 = 3P

P = 10/3 ≈ 3.33

Substituting the equilibrium price back into the demand or supply function, we can find the equilibrium quantity:

Q = 10 - 2(10/3) = 10/3 ≈ 3.33

Therefore, the equilibrium price is approximately $3.33, and the equilibrium quantity is also approximately 3.33 units.

b. Q = 1640 - 30P

Setting the quantity demanded equal to the quantity supplied:

1640 - 30P = P

Simplifying the equation, we have:

1640 = 31P

P = 1640/31 ≈ 52.90

Substituting the equilibrium price back into the demand or supply function:

Q = 1640 - 30(1640/31) ≈ 51.61

Hence, the equilibrium price is approximately $52.90, and the equilibrium quantity is approximately 51.61 units.

In summary, for the demand and supply functions given:

a. The equilibrium price is approximately $3.33, and the equilibrium quantity is approximately 3.33 units.

b. The equilibrium price is approximately $52.90, and the equilibrium quantity is approximately 51.61 units.

In the first paragraph, we summarize the steps taken to determine the equilibrium price and quantity for each pair of demand and supply functions. We set the quantity demanded equal to the quantity supplied and solve the resulting equations to find the equilibrium price. Substituting the equilibrium price back into either the demand or supply function allows us to calculate the equilibrium quantity.

In the second paragraph, we provide the specific calculations for each pair of functions. For example, in case a, we set Q = 10 - 2P equal to P and solve for P, which gives us P ≈ 3.33. Substituting this value into the demand or supply function, we find the equilibrium quantity to be approximately 3.33 units. We follow a similar process for case b, setting Q = 1640 - 30P equal to P, solving for P to find P ≈ 52.90, and substituting this value back into the function to determine the equilibrium quantity of approximately 51.61 units.

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a) If the first 2 cards are both spades, the probability of the next 3 cards also being spades can be calculated by using the following formula:P(5 spades) = P(3 spades AND 4 spades AND 5 spades) = P(3 spades) x P(4 spades | 3 spades) x P(5 spades | 3 spades and 4 spades)The probability of picking 3 spades out of 50 cards is:P(3 spades) = (13/52) x (12/51) x (11/50)To calculate the probability of drawing the fourth spade, we know there are 11 spades left in the deck and only 49 cards remaining. Hence,P(4 spades | 3 spades) = (11/49)To calculate the probability of drawing the fifth spade, we know there are 10 spades left in the deck and only 48 cards remaining. Hence,P(5 spades | 3 spades and 4 spades) = (10/48)Therefore, P(5 spades) = (13/52) x (12/51) x (11/50) x (11/49) x (10/48) which is approximately equal to 0.0026. Hence, the probability of the next 3 cards being spades is 0.0026. The answer is rounded to four decimal places.

b) If the first 3 cards are all spades, then the probability of the next 2 cards being spades can be calculated as follows:To calculate the probability of the fourth spade, we know there are 11 spades left in the deck and only 49 cards remaining. Hence, P(4 spades | 3 spades) = (11/49)To calculate the probability of the fifth spade, we know there are 10 spades left in the deck and only 48 cards remaining. Hence, P(5 spades | 3 spades and 4 spades) = (10/48)Therefore, P(2 spades | 3 spades) = P(4 spades | 3 spades) x P(5 spades | 3 spades and 4 spades) = (11/49) x (10/48) which is approximately equal to 0.0045. Hence, the probability of the next 2 cards being spades is 0.0045. The answer is rounded to four decimal places.

We can write the probability of picking 5 spades as the probability of picking 4 spades AND 5 spades. This can be represented as:P(5 spades) = P(4 spades AND 5 spades) = P(4 spades) x P(5 spades | 4 spades).The probability of picking 4 spades out of 49 cards is: P(4 spades) = (10/48) x (9/47). This means that there are 10 spades out of the 48 cards in the deck for the first pick, and 9 spades out of the remaining 47 cards for the second pick.

Hence, the probability of drawing a spade given that the first four cards are spades is:P(5 spades | 4 spades) = (9/47). This is because there are 9 spades left in the deck and only 47 cards remaining.

Therefore, the probability of the next 2 cards being spades is calculated as follows:P(5 spades) = P(4 spades) x P(5 spades | 4 spades) = (10/48) x (9/47) x (9/47) ≈ 0.0030. This means that the probability of the next 2 cards being spades is 0.0030, rounded to four decimal places.

If the first 4 cards are all spades, then the probability of the next card being a spade is given by:P(5 spades) = P(5 spades) / P(4 spades). The probability of picking 5 spades out of 48 cards is:P(5 spades) = (9/46).

Thus, the probability of the next card being a spade is:P(5 spades) / P(4 spades) = (9/46) / (9/47) ≈ 0.9672. This means that the probability of the next card being a spade is 0.9672, rounded to four decimal places.

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a. U.S. taxpayers lose because of North Korea’s counterfeiting in several ways such as they lose revenue due to the revenue loss by the Federal Reserve Bank that must replace the counterfeit notes, the taxpayers lose revenue

b. U.S. taxpayers are losing 990,000 per year because of the 45 million in counterfeit notes.

a. U.S. taxpayers lose because of North Korea’s counterfeiting in several ways such as they lose revenue due to the revenue loss by the Federal Reserve Bank that must replace the counterfeit notes, the taxpayers lose revenue by being forced to spend money to produce more counterfeit-resistant currency, and taxpayers lose out on the interest that could have been earned by the Treasury Department if the North Korean government hadn’t flooded the economy with counterfeits.

b. To calculate the amount of money U.S. taxpayers are losing per year because of the 45 million in counterfeit notes, the formula used is

Simple Interest = (P × R × T) ÷ 10

Where, P = 45,000,000

R = 2.2% = 2.2 / 100 = 0.022

T = 1 year

Simple Interest = (45,000,000 × 0.022 × 1) / 100= 990,000

Thus, U.S. taxpayers are losing 990,000 per year because of the 45 million in counterfeit notes.

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Answer:

42.50 = 32 + 4.25x

Step-by-step explanation:

Total amount with Herman = $42.50

Cost of shirt = $32

Cost of bracelets = $4.25 each

Which equation can be used to to determine x, the maximum number of bracelets Mr. Herman could buy.

Let

x = number of bracelets Herman could buy

Total amount = cost of shirt + cost of bracelets

42.50 = 32 + 4.25x

42.50 - 32 = 4.25x

10.50 = 4.25x

x = 10.50/4.25

x = 2.47

Approximately x = 2.5

The variance for the given data set: Year 1 = 16%; Year 2 = 6%; Year 3 = -25%; Year 4 = -3% is 0.0344.

The variance given the following returns:

Year 1 = 16%, Year 2 = 6%, Year 3 = -25%, Year 4 = -3% is 0.0344.

In probability theory, the variance is a statistical parameter that measures how much a collection of values fluctuates around the mean.

Variance, like other statistical measures, is used to describe data.

A variance is a square of the standard deviation, which is a numerical term that determines the amount of dispersion for a collection of values.

Variance provides a numerical estimate of how diverse the values are.

If the data points are tightly clustered, the variance is small.

If the data points are spread out, the variance is large.For a given data set, we may use the following formula to compute variance:

\($$\sigma^2 = \frac{\sum_{i=1}^{N}(x_i-\mu)^2}{N-1}$$\)

Where \($$\sigma^2$$\) is variance, \($$\sum_{i=1}^{N}$$\) is the sum of the data set, \($$x_i$$\) is each data point, \($$\mu$$\) is the sample mean, and \($$N-1$$\) is the sample size minus one.

In the above question, we will calculate the variance for the given data set:

Year 1 = 16%; Year 2 = 6%; Year 3 = -25%; Year 4 = -3%.

\($$\mu=\frac{(16+6+(-25)+(-3))}{4}=-1.5$$\)

Using the formula mentioned above,

\($$\sigma^2 = \frac{\sum_{i=1}^{N}(x_i-\mu)^2}{N-1}$$$$\)

=\(\frac{[(16-(-1.5))^2 + (6-(-1.5))^2 + (-25-(-1.5))^2 + (-3-(-1.5))^2]}{4-1}$$\)

After solving this expression,

\($$\sigma^2=0.0344$$\)

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Macy had 3 appointments.

Logan had 5 appointments.

What is the quadratic equation?

A quadratic equation is a type of polynomial equation of degree 2, which is written in the form of "ax^2 + bx + c = 0", where x is the variable and a, b, and c are constants. The solutions to a quadratic equation can be found using the quadratic formula: x = (-b ± √(b^2 - 4ac))/2a.

Part A:

Let x be the number of appointments Macy had.

We know that the total income (60x + 40) must equal 220.

Therefore, the equation representing the situation is:

60x + 40 = 220

To solve for x, we can subtract 40 from both sides:

60x = 180

Finally, we divide both sides by 60 to get:

x = 3

Macy had 3 appointments.

Part B:

Let y be the number of appointments Logan had.

We know that the total profit (70y + 50 - 20y) must equal 300.

Therefore, the equation representing the situation is:

50y + 50 = 300

To solve for y, we can subtract 50 from both sides:

50y = 250

Finally, we divide both sides by 50 to get:

y = 5

Logan had 5 appointments.

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The measure of the angles is m∠SAU= 24°

The incenter is the point at which all of the attitude bisectors meet in the triangle, like within the video. It is not always the middle of the triangle.

In triangle ABC, V is the incenter of the triangle.

Since, m∠SAV = 26°

And m∠SBV = 2(m ∠SAV)

                    = 2 × 26°

                    = 52°

Since Property of the incenter of a triangle;

Therefore, DG = EG = GF = 10

Since, m∠A + m∠B + m∠C = 180°

2(18)° + 34° + 2(m∠SAU) = 180°

2(m∠SAU) = 180° - 132°

m∠SAU= 24°

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Answer:

D

Step-by-step explanation:

Answer:

16 it's answer

Step-by-step explanation:

√121 + ³√125

11+5

16

Carman buy the video game in the cost of $45.

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

We have to given that;

Carman has saved 80% of the money she needs to buy a new video game.

And, she saved the cost $36.

Let total cost of the video game = x

So, We can formulate;

⇒ 80% of x = $36

⇒ 80/100 × x = 36

⇒ 8x = 360

⇒ x = $45

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To find the initial cost of the bedspread before the 15% discount, we can use the formula:

Initial cost = Final cost / (1 - Discount rate)

In this case, the final cost is $38.25, and the discount rate is 15% or 0.15.

Initial cost = $38.25 / (1 - 0.15)

Initial cost = $38.25 / 0.85

Initial cost ≈ $45

Therefore, the initial cost of the bedspread before the 15% discount is approximately $45.

Answer:

first graph the y-intercept start at 0 and go up 2 plot that. Then, go up 7 from 2 and to the right 1

Step-by-step explanation:

The value of x in the right triangle is 6 units.

Similar triangles are the triangles that have corresponding sides in proportion to each other and corresponding angles equal to each other.

In other words, two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in ratio to each other .

Using the proportional relationship of the similar triangle,

4 / x = x / 9

cross multiply

9 × 4 = x × x

x² = 36

square root both sides

x = √36

x = 6 unit

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The graph meets the vertical line test requirement, it must represent a function (C) The vertical line test shows that the graph is correct, hence the answer is yes.

According to the function, every value in the domain is associated to exactly one value in the range, and they have a predefined domain and range. It is characterized as a certain kind of relationship.

Please refer to the image instead of the graph, which is related to it.

The graphic displays a graph.

A parabola is seen on the graph.

The vertical line test determines if a graph can be a function, as is common knowledge.

The graph passes the vertical line test option, indicating that it does in fact represent a function (C) The vertical line test shows that the graph is correct, hence the answer is yes.

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The value of f(4) - g(-5) if function  f(x) = 3 / 2x + 2 and g(x) = 2x² - 3 is -39.

An expression, rule, or law in mathematics that specifies the relationship between an independent variable and a dependent variable (the dependent variable). In mathematics and the sciences, functions are fundamental for constructing physical relationships.

Given:

f(x) = 3 / 2x + 2 and g(x) = 2x² - 3

Calculate the value of f(4) and g(-5) as shown below,

f(4) = 3 / 2 × 4 + 2

f(4) = 12 / 2 + 2

f(4) = 6 + 2

f(4) = 8

g(-5) = 2 × (-5)² - 3

g(-5) = 2 × 25 - 3

g(-5) = 50 - 3

g(-5) = 47

Now, calculate the value of f(4) - g(-5) as shown below,

f(4) - g(-5) = 8 - 47

f(4) - g(-5) = -39

Thus, the value of f(4) - g(-5) is -39.

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Answer:

8

Step-by-step explanation:

\(x^2-2x \\x=4\\(4)^2-2(4)\\16-8\\8\)