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Home > PC3 > Chapter 4 > Lesson 4.3.1 > Problem 4-109

4-109.

Solve the inequalities below and express the solutions in both interval and inequality notation.      

  1. Solve this as an equation. Being by setting one side equal to .

    Factor and determine the "boundary points".

    Test a point in each interval to see whether or not it makes the original inequality true.