Question
Asked Dec 2, 2019
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7

-2x
7. Find the inverse function of f: f(x) =
x-1
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-2x 7. Find the inverse function of f: f(x) = x-1

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Expert Answer

Step 1

It is required to calculate the inverse of the given function f(x).

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—2х f(x)= х-1

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Step 2

Inverse function definition:

If a function f(x) is mapping x to y then, the inverse function f(x) maps y back to x.

So let:

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-2x y= x-1

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Step 3

Now, interchange the variable x...

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-2y y-1 now, solve for y xy-)2y xy-x-2y xy2y y(x+2) x x x +2

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Algebra

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