### Home > CALC > Chapter 5 > Lesson 5.1.1 > Problem5-8

5-8.
1. SNEAKY LIMITS
Lazy Lulu was examining the following limit. She recognized that this is the definition of the derivative as a limit. Homework Help ✎

1. What is f(x)?

2. Use the Power Rule to find f ′(x).

3. Find the value of . Explain and solve.

f(x) = 5x2 − 11x + 7

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

Substitute.