### Home > CALC > Chapter 5 > Lesson 5.1.1 > Problem 5-8

5-8.

SNEAKY LIMITS

Lazy Lulu was examining the following limit. She recognized that this is the definition of the derivative as a limit. Homework Help ✎

What is

*f*(*x*)?Use the Power Rule to find

*f*′(*x*).Find the value of

. Explain and solve.

*f*(*x*) = 5*x*^{2} − 11*x* + 7

Aren't you glad that you do not have to algebraically evaluate this limit!

Substitute.