Correct Answer: Option A

Explanation

y = mx\(^2\) + 3x - 1 at the point (-1, 1)

\(\frac{dy}{dx}\) = 9

\(\frac{dy}{dx}\) = 2mx + 3 = 9, but x = -1

2m(-1) + 3 = 9

-2m = 9 - 3 = 6

m = \(\frac{6}{-2}\) = - 3

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