need help with the following

- 11 8 : View Policies Current Attempt in Progress How many critical points are there? How many are local maxima? How many are local minima? (I) There is (are) i critical point(s). Number of local minima: Number of local maxima: eTextbook and Media Save for Later Attempts: unlimited Submit Answer - 11 8 : View Policies Current Attempt in Progress During an illness a person ran a fever. His temperature rose steadily for fourteen hours, then went steadily down for twenty hours. When was there a critical point for his temperature as a function of time? There was a critical point after the first i hours . eTextbook and Media Save for Later Attempts: unlimited Submit Answer - 11 8 : View Policies Current Attempt in Progress f (x) = x4 -50x2 Enter the critical points in increasing order. (a) Use the derivative to find all critical points. X1= i X2 = i X3 = i (b) Use a graph to classify each critical point as a local minimum, a local maximum, or neither. X1 = i is *2 = i is X = i is eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer - 11 8 : View Policies Current Attempt in Progress Find the critical points of the function h (x) = x + - and classify them as either local maxima or local minima. Enter the exact answers. If there is no local maximum or local minimum, enter NA. The local maximum is at x = The local minimum is at x = e Textbook and Media Save for Later Attempts: unlimited Submit