Asked by Anonymous

Use the function y=x^3-2x^2-3x+4, approximate the slope to the curve at x=2
Answered by Steve
y'(x) = 3x^2-4x-3
y'(2) = 12-8-3 = 1

But that is <b>exactly</b> the slope of the curve at x=2. Why bother to approximate? I suspect something is missing.
Answered by Jessy
No I was just making sure. Thanks
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