### Home > CCA2 > Chapter B > Lesson B.2.2 > Problem B-97

B-97.

If , find the value of the expressions in parts (a) through (c) below. Then complete parts (d) through (f).

*B-97 HW eTool*(Desmos).

What value of

gives?Where does the graph of this function cross the

-axis? The-axis?If

, find.

Substitute and simplify.

Refer to part (a).

Refer to part (a).

Substitute and solve for

*.*

A function crosses the -axis at

*, and a function crosses the*

*-axis at*

*.*

Use the eTool below to find the value of each expression.

Click the link at right for the full version of the eTool: *CCA2 B-97 HW eTool*