QUBSUOH 3 Find the open intervals on which the function f(a:) : 773:2 + 8e + 3 is increasing or decreasing. 3 pomts How Did ' D09 Note: Use the letter U for union. To enter 00, type the word infinity. If the function is never increasing or decreasing, enter NA in the associated response area. increasing: Ei ' decreasing: IE 7' Find the local maximum and minimum values of the function f (e) = 7a:2 + 8:12 l 3. Enter your answers in increasing order. . If there is just one local maximum or minimum value, then in the second row below enter NA as the answerfor"$ :" and select NAin the "there is" drop-down menu. . If there are no local maximum or minimum values, then in both rows below enter NA as the answer for " a: =" and NA in the "there is" drop-down menu. At :1: : ab 5111(0.) 00 a: [m 0 El 3 , there is l: ick fol List - At :1: = QUGSthH 4 Find the local maximum and minimum values of the function f(:c) : ,3; 7 using the Second Derivative m mm Test. Complete all steps of the adaptive question below. Note: you will be required to explain your reasoning at the end of the adaptive sections. Enter the points in increasing order of their m-coordinates. Click \"Continue" to begin. Enterthe first point in the form (x, y): IQ E the sign of f\" (:12) is I Click lor List - ' Section Attempt 1 of 3 negative zero