Find the absolute maximum and minimum, if either exists, for f(x) =x - 6x + 9x on [2, 4]. Submit a complete written solution for this problem. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute maximum is at x = O B. There is no absolute maximum. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute minimum is at x = O B. There is no absolute minimum