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OpenStudy (anonymous):
for the function f(x)=(3-4x)^2, find f^-1. Determine whether f^-1 is a function. I have sq rt y=3-4x sq rt y ^-3=-4x x=(sq rt y^3)/-4 f^-1(x)=(sq rt y^-3)/-4 Is this correct and I don't think it is a function???
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