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July 1, 2015

Homework Help: HS Calculus

Posted by jane on Tuesday, November 25, 2008 at 5:21pm.

Let f(x) = 2/3-x
a) find the slope of the tangent to the graph of f at a general point x0 using the definition of the dervative.

b) use the result in part a to find the slope of the tangent at x0=1.

I am very confused.
My answer for (a) 1/ 6-6x-x^2
(b) -1

I compared them to a classmate - answers didnt agree.

I am lost.

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