Choose the best answer

Find the intervals on which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema 1(x) = 2x3 - 8x2 - 60x Select the correct choice below and, if necessary, fil in the answer box to complete your choice A. The function is increasing on (Type your answer using interval notation. Use a comma to separate answers as needed.) O B. There is no solution. Select the correct choice below and, if necessary, fill in the answer box to complete your choice A. The function is decreasing on (Type your answer using interval notation. Use a comma to separate answers as needed. ) O B. There is no solution. Which statement regarding the local extrema of the function is true? Choose the correct answer below A, The function has a local maximum at x = - 2 and a local minimum at x = 5 B, The function has a local minimum at x = - 2 and a local maximum at x = 5 O C, The function has no local extrema