APFIVE Derivative of an Inverse Function
Let f be the function defined by $$f(x)=x^3+2x^2-x+5$$. Let $$g(x)=f^{-1}(x)$$, where $$g(7)=1$$. What is the value of $$g'(7)$$?
A
$$\frac{1}{5}$$
B
$$\frac{1}{6}$$
C
$$\frac{1}{4}$$
D
$$\frac{1}{3}$$
Question Leaderboard
Not enough data yet to show leaderboard.