What interval includes all possible values of x, where –36 – 2x ≥ 4x + 12? –∞, –3] [–3, ∞ –∞, 15] [15, ∞

\(-3(6- 2x) \geq4x + 12\\\\-18+6x\geq4x+12\\\\2x\geq30\\\\x\geq15\\\\x\in[15,\iny)\)So, the last one.