Mathematics

Problem

## End of Chapter 12 Drill The answers are in Chapter 24. 1. Find the derivative of the inverse of

y=5 x^{3}+x-7

y=-7

. (A)

-\frac{1}{7}

(B)

\frac{1}{7}

-\frac{1}{7}

(B)

\frac{1}{7}