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Mathematics
17 March, 17:07
Tangent slope of 4x^2+2x when x=-2
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Casey Dominguez
17 March, 17:37
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-14
Step-by-step explanation:
f (x) = 4x² + 2x
Take the first derivative:
f' (x) = 8x + 2
Evaluate at x = - 2:
f' (-2) = 8 (-2) + 2
f' (-2) = - 14
The tangent slope is - 14.
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