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What interval includes all possible values of x, where –36 – 2x ≥ 4x + 12? –∞, –3] [–3, ∞ –∞, 15] [1...
4 months ago
Q:
What interval includes all possible values of x, where –36 – 2x ≥ 4x + 12? –∞, –3] [–3, ∞ –∞, 15] [15, ∞
Accepted Solution
A:
\(-3(6- 2x) \geq4x + 12\\\\-18+6x\geq4x+12\\\\2x\geq30\\\\x\geq15\\\\x\in[15,\iny)\)So, the last one.