steps Consider the function f(x) = x- 2x - 4x + 8 on the interval [-1, 3]. Find f'(x). f'(x) = Find the critical values. ue w X = Evaluate the function at the critical values. (x, y) = = m 50 xt (smaller x-value) (larger x-value) (x, y) = Evaluate the function at the endpoints of the given interval. (x, y) = (smaller x-value) (larger x-value) (x, y): = Find the absolute maxima and minima for f(x) on the interval [-1, 3]. absolute maximum (x, y) = absolute minimum (x, y): = n