Question

3 Consider the function f (a) = * + 1 Its first and second derivatives are given by f'(x) = - by fee_*2 +1 (2x2 - 1) and and I" (2) - 20 (x2 + 3) (221) D. Find the intervals where the function is concave up, concave down and the (2, y) coordinates of the inflection point(s). Write DNE if they don't exist.