Answer:
f-1 (-1 is the power of f') (x) = 4x + 48
Step-by-step explanation:
f (x) = 1/4x -12 use substitution
y = 1/4yx -12 interchange the variables
x = 1/4y -12 Swap the sides
1/4y - 12 = x Multiply both sides
y - 48 = 4x Move the constant to the right
y = 4x + 48 Use substitution
