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

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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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