Question

What is the inverse of the function f(x) = 2x + 17

Answer 1

To find the inverse of a function switch the place of y (aka f(x) ) with x. Then solve for y.

Original equation:

y = 2x + 17

Switched:

x = 2y + 17

Solve for y by isolating it:

x - 17 = 2y + 17 - 17

x - 17 = 2y

(x - 17)/2 = 2y/2

$\frac{1}{2}x-\frac{17}{2}= y$

Hope this helped!

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