### Home > AC > Chapter 10 > Lesson 10.1.1 > Problem 10-9

10-9.

Find the boundary point. 5 + 3*x* = 5

Solve for *x*.

3*x* = 0

*x* = 0

Test numbers on both sides of zero.

5 + 3(−1) < 5 5 + 3(1) < 5

5 − 3 < 5 5 + 3 < 5

2 < 5 8 < 5

True False

Follow the steps in part (a).