18
16
-4
-6
Correct answer is B
y = 2x\(^2\)(2x - 1) y = 4x\(^3\) - 2x\(^2\) dy/dx = 12x\(^2\) - 4x at x = -1 dy/dx = 12(-1)\(^2\) - 4(-1) = 12 + 4 = 16
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