Notes 9-5 and 8-8
by substituting back into the ORGINAL EQUATION. X=-4 is extraneous b/c . X=5. SOLVE A RADICAL INEQUALITY. Ex 3: Refer to page 630 Example 5. Note the following: a. In the first solution, the calculator was used. Y1 was the left side of the inequality and Y2 was the right side. Since you want , look in the table for the values where that is true. ................
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