Question list Question 4 Question 5 K You plan to invest in an account which pays 4% compounded continuously. If the investment period is for 7 years, then A(P) = Pe0.047 = Pe 0.28 gives the total balance of P dollars. a. Find a formula for A'(P). b. Find and interpret A'(2000). c. Compare the approximation to the actual change. a. A'(P) = (Type an exact answer in terms of e.) b. A'(2000) = Question 6 Question 7 Question 8 Question 9 (Round to the nearest cent as needed.) Interpret A'(2000) = 1.32 A. The future value of a 8 year investment of $2001 will be $ B. The future value of a 8 year investment of $2000 will be $ C. The future value of a 7 year investment of $2001 will be $ D. The future value of 7 year investment of $2000 at 5% will be $ c. A(2001) A(2000) = more than the future value of a 8 year investment of $2000. more than the future value of a 8 year investment of $2000. more than the future value of a 7 year investment of $2000. more than the future value of a 7 year investment of $4000 at 4%. dollars per year. (Round to the nearest cent as needed.) Question 10 Question list Question 4 Question 5 K The marginal average cost of producing x digital sports watches is given by the function C'(x), where C(x) is the average cost in dollars. C'(x)= 1,400 2 C(100)=21 Find the average cost function and the cost function. What are the fixed costs? The average cost function is C(x) = Question 6 The cost function is C(x) = . Question 7 The fixed costs are $ Question 8 Question 9 Question 10