Question

Complete the steps in order to write the inverse of f(x) = x + 5

Answer 1

`f^(-1)`(x) = x - 5

Explanation:

Let y = f(x) and make x the subject

y = x + 5 ( subtract 5 from both sides )

y - 5 = x

Change y back into terms of x, thus

`f^(-1)`(x) = x - 5