Microsoft .. 8 / 9 94% + 10 #15. (6 pts) The value of an investment in dollars after t years is modeled by the function y = 15000 0.046 a. What is the value of the investment at t = 10 years? Give the exact value, then round to the nearest dollar. b. When will the investment be worth $3000? Give the exact value, then round to the nearest tenth. c. Sketch the graph of the function on the axes provided. Label the points you found in parts (a) and (b) on this graph. TS 4500 4000 3500 3000 2.500 2000 1500 1000 300 to 15 20 25 0 #16. (6 pts) A bond purchased for $1000 matures to a value of $2000 over an 8-year span with interest compounded continuously. A. What is the interest rate on the bond? Give the exact value, then round to 4 decimal places. B. What will the bond be worth after 20 years? Give the exact value, then round to the nearest dollar