### Home > CALC > Chapter 4 > Lesson 4.2.2 > Problem 4-57

4-57.

Mateo and Ignacio want to calculate *f*(*x*). They know

Graph a possible even function that has the given area.

The boy who was correct paid attention to two things:

1) The fact that *f*(*x*) is even.

2) The order/direction of the bounds.