Q8b  ( 5 points)   Find the average value of the following f…

Q8b  ( 5 points)   Find the average value of the following function over the given interval.;                                                                                                                                                           Ans:

Q15c  (7 pts) Mary’s Taxi Services purchases a sedan and est…

Q15c  (7 pts) Mary’s Taxi Services purchases a sedan and estimates that its salvage value V(t), in dollars, after t years, is given by         V(t)= 32,500e-0.13t a) What did the sedan cost originally? b) What is the salvage value after 4 years? c) Find the rate of change of the salvage value after 4 years, and explain its meaning.    ( Round all your answers to the nearest whole number)                                                  

Q9b (10 pts) Solve the problem.Of an initial amount of 2000…

Q9b (10 pts) Solve the problem.Of an initial amount of 2000 gram of lead-210, how much will remain in 140 years? lead-210 decayes at a rate of 3.15%. ( Round your answer to the nearest one decimal place as needed)