Question

F(x)= (3/4)x+12 what is the y-intercept of f^-1(x)

Answer 1

Answer:

y = (3/4)x + 12

x = (3/4)y + 12

(3/4)y + 12 = x

(3/4)y = x - 12

3y = 4x - 48

y = (4/3)x - 16

f^-1(x) = (4/3)x - 16

the y intercept is -16