Find the indicated derivative for the function. - h''(x) for h(x) = 4x -7 - 5x - 8 h''(x)= Find the critical numbers, the intervals on which f(x) is increasing the intervals on which f(x) is decreasing, and the local extrema. Do not graph. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The critical number(s) of the function are x = (Use a comma to separate answers as needed.) OB. There is no solution