r=5

Task 2 (50 marks) 3. Use the definition of derivative to find derivative of f(x) = 8/(K - 11) + 2x. (15 marks) 4. The total cost per week of producing a product is C(x) = x +4x). If the price per unit sold is p = (e{R=3}x + 3). Find the followings algebraically, then compare the answer with your Mat Lab answer. a. Marginal cost. (8 marks) b. Marginal cost Revenue at zero unit. (8 marks) MEC_AMO_TEM_035_02 Page 2 of 10 MTM (MASC 10004) - Spring - 2021-CW2 (Assignment2) - R-QP 5. If your monthly quantity demand function for a product is Qa=R-3p? +3p, and your monthly quantity supply function for a product is Qs = 2p2 - 6p, then find the equilibrium quantity. (10 marks) 6. Consider the annuity of 90800 RO per year at the end of every midyear for six years. If the discount rate is equal to (R+2) %, find the present value of annuity at the end of six years? (5 marks) 7. A company described the profit function for a product: P(x) = 85x - 9500 - (R-10)x?, where x is the number units produced and sold. Find the minimum profit point. (4 Marks)