Untitled document. Paraphrasing Tool |. G Google Docs: Free. D Mathway | Algebra. Previous Problem Problem List Next Problem (4 points) 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 f(x) = 8 x 2 + 1 Critical Point = Is f a maximum or minumum at the critical point? Local maximum The interval on the left of the critical point is On this interval, f is increasing . 4 while f' is negative . The interval on the right of the critical point is On this interval, f is increasing + while f' is positive Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 1 time. Your overall recorded score is 25%. You have 5 attempts remaining