Find the intervals on which fis increasing and the intervals on which it is decreasing. f(x) = 4 sin 2x on [ m] Find f'(x) FOO = 45in 2x Select the correct choice below and, if necessary, ll in the answer box(es) to complete your choice. A. II: 2 2 ' 2 ' 2 (Simplify your answers. Type your answers in interval notation. Type exact answers. usrng 1: as needed. Use a comma to separate answers as needed.) 1|: 1|: 7|: The function is increasing on the open interval(s) [ .0] , [ I] and decreasing on the open interva|(s) [ 1:, ] , [O ] . O B- The function is increasing on the open interval(s) . The function '5 never decreasing. (Simplify your answer. Type your answer in interval notation. "ype exact answers, using it as needed. Use a comma to separate answers as needed.) O 0- The function is decreasing on the open interval(s) . The function is never increasing. (Simplify your answer. Type your answer in interval notation. "ype exact answers, using it as needed. Use a comma to separate answers as needed.) O D. The function is never increasing or decreasing