Find the open intervals on which the function f (It) - 7332 I 8x l 6 is increasing or decreasing. 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: decreasing: Find the local maximum and minimum values of the function flu?) 7:1:2 + 8:3 + 6. 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 "at =" and select NA in the "there is" drop-down menu. 0 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 21': At :1: . there is , there is