### Home > CALC > Chapter Ch3 > Lesson 3.3.3 > Problem 3-120

3-120.

This is the Definition of the Derivative using Hana's Method:

What is *f*(*x*)? What is *a*? What is *f* '(*x*)? What is *f* '(*a*)?

For further guidance, refer to the hints in problem 3-64.

This is the Definition of the Derivative using Ana's Method:

What is *f*(*x*)? What is *a*? What is *f* '(*x*)? What is *f* '(*a*)?

For further guidance, refer to the hints in problem 3-110b.