SOLUTION: 7−3|4d−7|≥4
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Question 829265: 7−3|4d−7|≥4
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Question:
7−3|4d−7|≥4
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Answer:
−3|4d−7|≥4-7
−3|4d−7|≥-3, divide both sides by -3
|4d−7|≤1
-1 ≤ 4d - 7 ≤ 1
-1 + 7 ≤ 4d ≤ 1 + 7
6 ≤ 4d ≤ 8 , divide by 4
In set interval notation, the answer is [1.5, 2]
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