following cost-output relationships, describe the shape (U-shape, decreasing, increasing, constant) of the average total cost and marginal cost functions (C = total cost, Q = output): Attn: To earn full credit, show formulars/equations used. (a) (b) C = 42,500,000 + 2550Q C = 8.48+0.65Q+.00220Q2

Attin: To earn full credit, show formulars/equations used. (ii) c=42,500,000+20600 (b) c=a4B+0.65a+.0022002