10) The function V = 26000(0.85) describes the value V (in dollars) of a new vehicle t years after it is purchased from a car dealership. a) (4 points) What is the initial price of the vehicle when t = @ ? b) (4 points) The function models exponential decay. What is the decay rate per year? 11) Michael works a job that pays him $400 when he works 8 hours. a) (4 points) Write a proportionality equation that can be used to find how much money Michael earns, y, for a certain amount of hours worked, x. b) (4 points) State the constant of proportionality and what it means in the context of the problem. c) (6 points) How many hours does Michael need to work to earn $3600