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mrs_skeptik [129]
2 years ago
14

Suppose f(x) = mx + b. What is the inverse function in terms of m and b?

Mathematics
1 answer:
katrin2010 [14]2 years ago
7 0

Answer:

f^(-1)(x) = (x-b)/m  or  x/m - b/m

Step-by-step explanation:

f(x) = y = mx + b

To find the inverse function, interchange x and y and solve for y, i.e.

x = my + b

my = x-b

y = (x-b)/m = x/m - b/m

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A model car is built to a scale of 1 in. : 2.5 ft. If the model is 5.8 in. Long how long is the car in real life?
Mnenie [13.5K]

Answer:

14.5 ft

Step-by-step explanation:

We are told that the model car is built to a scale of 1 in. : 2.5 ft.

That means 1 inches represents 2.5 ft in actual measurement.

Thus, for a 5.8 inch long model, the real life measurement is;

(5.8 inch × 2.5 ft)/1 inch = 14.5 ft

4 0
3 years ago
The sum of two numbers is -17 and their difference is 41 what are the two numbers?
liberstina [14]

Answer: the two numbers are 7 and -27

Step-by-step explanation:

Let the two numbers be a and b

From the question,

a + b = -27.......eqn 1

a - b = 41............eqn 2

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2a = 14

Divide both sides by 2

a = 14/2; a = 7

Substitute a = 7 into equation 2

a - b = 41

7 - b = 41

Make b the subject of the equation

-b = 41 -7

-b = 34

b = -34

Check:

a + b = -27, slot the values of a and b

7 + (-34) = -27

7- 34 = -27

I hope this is clear, please mark as brainliest answer

7 0
3 years ago
Help please!!!<br> what goes in the y for the output?
Mazyrski [523]

Answer:

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Step-by-step explanation:

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2 years ago
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3 soccer balls and 5 more how many are there​
vodomira [7]

Answer:

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Step-by-step explanation:

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grandpa joe wants to open an account for his grandchildren that he hopes will have $80,000 in it after 20 years. how much must h
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$46185.04

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