A differentiable function satisfies and has tangent slope

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions

Problem

A differentiable function ff satisfies f(3)=7f(3)=7 and has tangent slope f′(3)=−4f'(3)=-4. Determine (f−1)′(7)(f^{-1})'(7).

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