CPM Homework Banner

Home > CALC > Chapter 3 > Lesson 3.4.1 > Problem 3-150


Use the definition of a derivative to find if . Confirm your solution with the Power Rule.

Hana's Definition of derivative:


Expand the numerator and combine like terms.

Factor an out of the numerator so you can 'cancel out' the in the denominator.

Evaluate the limit. You should get the same derivative you found with the Power Rule.