What is the inverse of the given relation

Y=3x+12

2 answers

The inverse of the function is y = (x-12)/2

The inverse of a function
Given the function y = 3x + 12

Replace y with x

x = 3y + 12

Make y the subject of the formula:

3y = x - 12

y = (x-12)/2

Hence the inverse of the function is y = (x-12)/2
you mean (x-12)/3