Consider the function at) : 2.53:2 + 3m + 1. a) Determine the intervals on which f is concave up and concave down. f is concave up onzl ' f is concave down on: | ' liBased on your answer to part (a). determine the inflection points of f. Each point should be entered as an ordered pair (that is, in the form (m,y]). | '(Separate multiple answers by commas.) NOTE: When using interval notation in WeBWorK, remember that: you use 'INF' for 00 and '-|NF' for 00, and use 'U' forthe union symbol. Enter DNE if an answer does not exist. Consider the function f(x) : .123 4.5x2 123: + 1. a) Determine the intervals on which f is concave up and concave down. f is concave up on:' | f is concave down on: ' ' tLBased on your answer to part (a). determine the inflection points of f. Each point should be entered as an ordered pair {that is, in the form (x,y)). ' '(Separate multiple answers by commas.) NOTE: When using interval notation in WeBWorK, remember that: you use 'INF' for 00 and '|NF' for oo, and use 'U' for the union symbol. Enter DNE if an answer does not exist. Consider the function a) Determine the intervals on which f Is concave up and concave down. f Is concave up on: J 7] 1" Is concave down on: J7 J b_) Based on your answer to part (a) determine the inflection points of 1'. Each point should be entered as an ordered pair {that Is, in the form (a: y)). J7 J (Separate multiple answers by commas.) (Round to three decimal places at needed.) NOTE: When using interval notation in WeBWorK, remember that: you use 'INF' for 00 and '-|NF' for oo, and use 'U' forthe union symbol. Enter DNE if an answer does not exist. Consider the function an) : 12261. a) Determine the intervals on which f is concave up and concave down. f is concave up on:' | f is concave down on: ' l b) Based on your answer to part (a), determine the inflection points of f. Each point should be entered as an ordered pair (that is, in the form (m,y)). | |{Separate multiple answers by commas.) (Round to four decimal places at needed.) NOTE: When using interval notation in WeBWorK, rememberthat: you use 'lNF'for co and '-|NF' for 00, and use 'U' forthe union symbol. Enter DNE if an answer does not exist. Consider the function x) 2 flux, :1: > U. a) Determine the intervals on which f Is concave up and concave down 1" Is concave up on: J J f' Is concave down on: J_ J b_) Based on your answer to part (a) determine the inflection points of f. Each point should be entered as an ordered pair {that Is in the form (x y)). J_ J {Separate multiple answers by commas.) (Round to four decimal places as needed.) NOTE: When using interval notation in WeBWorK, remember that: you use 'INF' for 00 and '-|NF' for oo, and use 'U' forthe union symbol. Enter DNE if an answer does not exist