Find the absolute extrema if they exist, as well as all values of x where they occur, for the function f(x)=4x+ 54 +3, where x>0. 2 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The absolute minimum is 21, which occurs at x=3. (Round the absolute minimum to two decimal places as needed. Type an exact answer for the value of x where the minimum occurs. Use OB. There is no absolute minimum. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. OA. 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 B. There is no absolute maximum.