Hello, I need the answer to this question please.

2. (35 pts) A competitive firm has a total cost function given by, "(Q) = cQ3 + d, c > 0 and d > 0 where Q > 0 is the number of units produced, and c and d are, as indicated, positive parameters. (a) Find the average rate of change of the total cost function when the number of units Q produced changes. (b) Find the instantaneous rate of change of the total cost function with respect to the number of units Q produced. Verify your answer by taking the derivative of C(Q) with respect to