Find the absolute extrema if they exist, as well as all values of x where they occur, for the function f(x) = 3 -x2 + 6x -2 on the domain [0,7]. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute maximum is . which occurs at x = Round the absolute maximum to two decimal places as needed. Type an exact answer for the value of x where the maximum occurs. Use a comma to separate answers as needed.) O B. There is no absolute maximum