Geometrically, the derivative f'(a) gives the
Alength of the normal at x = a
Bintercept of the curve on the y-axis
Cslope of the tangent at x = a
Darea under the curve to x = a
Answer & Solution
Correct answer: C. slope of the tangent at x = a
The derivative at a point is the slope of the tangent line to the curve there.
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