Question

Inverse function of f(x)= -4x+12

Answer 1

to get the inverse, you just swap your x and y variables:

y = -4x + 12

swap x and y, then solve for y

x = -4y + 12 ... subtract 12
x - 12 = -4y ... divide by -4
(x - 12)/4 = y

so your inverse function is (x - 12) over 4