Question

Find the inverse of the function.
y = 3x-9

Answer 1

(x/3) - 3 = f^-1(x)

Explanation:

y = 3x-9

x = 3y-9

x - 9 = 3y

(x/3) -(9/3) = y

(x/3) - 3 = f^-1(x)