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< webwork I ma129_w22 1 homework 6 / 6 Homework 6: Problem 6 ems 12 113 Type here to search Previous Problem Problem List (1 point) Consider the function (a) Find all critical numbers c of f, (b) f is concave up for e (c) f is concave down for e Next Problem (d) Using the 2nd derivative test, the local maxima of f occur at (e) Using the 2nd derivative test, the local minima of f occur at Note: Input U, infinity, and -infinity for union, N, and 00, respectively. If there are multiple answers, separate them by commas. If there is no answer, input none. Note: You can earn partial credit on this problem. PDF Preview My Answers AN 1 Submit Answers O OOC Mostly sunny Show 4-45 PM 3/8/2022