What is the solution set of the inequality ?
Answer and explanation
Correct answer: D.
- Step 1: Rewrite the absolute value inequality as : .
- Step 2: Add 4 to all parts: .
- Step 3: Divide all parts by 3: .
Answer
.
Why not the others: '' ignores the lower bound; '' ignores the upper bound; ' or ' is the solution to .
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