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Precalculus 17 Online
OpenStudy (anonymous):

Find the equation of the tangent to the graph at the indicated point. f(x) = x^2 − 8; a = 1

zepdrix (zepdrix):

|dw:1373838477300:dw|The equation of our line will be of the form y=mx+b. m, then slope of our tangent line, is given by the derivative of our function evaluated at a.\[\large f'(a)=m\] Can you find the m value from that information?

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