Kelly bought a new car for $20,000. the car depreciates at a rate of 10% per year.
1)write an equation to model the car’s value.
2)use your equation to determine the value of the car six years after kelly purchased it.

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .