### Home > CALC > Chapter 4 > Lesson 4.1.2 > Problem 4-22

4-22.

Without a calculator, find:

and . Is

even, odd or neither?Use a graph to justify your conclusion.

but, sinceis odd,

So

therefore,is even.

Use the eTool below to examine the graph.

Click the link at right for the full version of the eTool: *Calc 4-22 HW eTool*