Solve y=f(x) for x. Then find the input when the output is −3. f(x)=−7x−2 x= The input is when the output is −3.

Mathematics

1 answer:

Naya [18.7K]3 years ago

6 0

Answer:

The input is 1/7

Step-by-step explanation:

If y =f(x)

Given that f(x) = -7x -2, then y = -7x-2

x is the input

y is the output

Given the output y = -3, we are to find the input value x

Recall that y = -7x-2

On substituting the value of y into the equation

-3 = -7x - 2

-7x = -3+2

-7x = -1

x = -1/-7

x = 1/7

Hence the input is 1/7

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F(x)= 2x + 13 and g(x) = 5x -20 what is g(x) - f(x)

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Answer:

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Step-by-step explanation:

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----------------------

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