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PAGE: 145SET: ExercisesPROBLEM: 1
Please look in your text book for this problem Statement

The function is .

Let .

Therefore has real zeros at and .

Create a sign chart using these values.

Note : The solid circles denote that the values are included in the solution set.

Observe the sign chart :

The set of values of denoted in pink color represents the solution set. 

Determine whether is positive or negative on the test intervals.

Test intervals are and .

If , then .

If , then .

If , then .

The solutions of are values for which is negative or equal to .

The solution is .

The solution set of is .



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