### Home > INT2 > Chapter 9 > Lesson 9.3.4 > Problem 9-119

9-119.

*9-119 HW eTool*

Look at the two pieces of the function. Notice the open and closed circles, and the values at .

Use theTool below to explore the problem.

Click the link at right for the full version of the eTool: *INT2 9-119 HW eTool.*