Question

Given the function f(x) = 2x, find the value of f−1(32).

f−1(32) = 0
f−1(32) = 1
f−1(32) = 5
f−1(32) = 16​

Answer 1

it is -30

Explanation:

you would divide both sides by x,then f=2

using PEMDAS we come to -30