### Home > APCALC > Chapter 6 > Lesson 6.1.1 > Problem 6-14

6-14.

If is an even function and

*exists, what must*

*equal? Draw a diagram to support your conclusions. .*

If is an even function, it has to be symmetrical about the

*axis. Knowing this, what must*

*equal?*

Use the eTool below to visualize the problem.

Click the link at right for the full version of the eTool: *Calc 6-14 HW eTool*