Question

What is the inverse of the function below?
f(x)= x/3 -2

Answer 1

The inverse is g(x) = 3x + 6

Explanation:

f(x) = x/3 - 2

y = x/3 - 2

To find the inverse, swap x and y, then put it in y = mx + b

x = y/3 - 2

y/3 = x + 2

y = 3x + 6

g(x) = 3x + 6