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

4-56.

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).