Question

What is the inverse equation of the function, y = 3x - 6?

y -1 =
y -1 = x + 6
x -1 = 3 y - 6
y -1 = 3 x + 6

Answer 1

Answer:

y=3x-6

interchange x and y and make y the subject

therefore

x=3y-6

x+6=3y

therefore y=x+6/3

hence the inverse is y=x+6/3