### Home > CALC > Chapter 4 > Lesson 4.2.2 > Problem4-56

4-56.
1. Ji Hee is trying to find the area . She already knows that: Homework Help ✎
.
Help her find:

Solve for the area by substituting every x-value in the given equation with 3. Simplify.

See part (a).

See parts (a) and (b).