Find the absolute extrema of the function, ifthey exist, as well as all values of x where they occur. (E Select the correct choice below and, if necessary, fill in the answer box to complete your choice. '13:? A- The absolute minimum is at the xvalue (Type an integer or decimal rounded to four decimal places as needed.) {:3 B. There is no solution. Select the correct choice below and, if necessary. fill in the answer box to complete your choice. '13:? A- The absolute maximum is at the x-value (Type an integer or decimal rounded to four decimal places as needed.) '11:) B. There is no solution. Find the rate of change of total revenue, cost, and profit with respect to time. Assume that R(x) and C(x) are in dollars. R(x) = 45x 0.5x2, C(x) = 3x +10, when x = 25 and dx/dt=15 units per day