Find the critical point and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to the critical point. Let
Critical Point =
Is a maximum or minumum at the critical point? ? Local maximum Local minimum
The interval on the left of the critical point is . On this interval, is ? increasing decreasing while is ? positive negative . The interval on the right of the critical point is . On this interval, is ? increasing decreasing while is ? positive negative .
You can earn partial credit on this problem.