Question

Which function below is the inverse of f(x) = x2 − 36?

A) x squared over 36

B) ±6square root of x

C) 1 over quantity x squared minus 36

D) ±square root of the quantity x plus 36

Answer 1

@jim_thompson5910

Answer 2

f(x) = x^2 - 36

y = x^2 - 36 .... replace f(x) with y

x = y^2 - 36 .... swap x and y

now solve for y to get the inverse