Question

What is the inverse of the function f(x) = 4x + 8?

Answer 1

f^-1(x) = (x-8)/4

Explanation:

To find an inverse function, simply flip the x and y variables in a equation and then solve in terms of y.

x = 4y + 8

x - 8 = 4y

y = (x-8)/4

And we have our final answer!