Asked Sep 15, 2019
For the​ function, find the points on the graph at which the tangent line is horizontal. If none​ exist, state that fact.



check_circleExpert Solution
Step 1

To locate the points on the graph where the tangent is parallel to the x -axis

Step 2

The tangent to y = f(x) at a point (a,, f(a) )  has slope f'(a) ( derivative ...

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