Find the formula and limit as requested. For the function f(x) =4x2+4, find a formula for the upper sum obtained by dividing the interval [0, 3] into n equal subintervals. Then take the limit as n> to calculate the area under the curve over [0, 3]' 3 2 12+ 21611 32411 +1CB11 ;Area=36 6113 3 2 12+ W :Area=12 6114 3 2 (9 12+ 21611 32411 +1CB11 ;Area=48 6114 3 2 @ 12+ 21611 +324n +1CB11 :Area=48 6113