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
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