Mountain Bike Profit For a certain brand of bicycle, P(x) = 1.02x Canadian dollars...

Mountain Bike Profit For a certain brand of bicycle, P(x) = 1.02^x Canadian dollars gives the profit from the sale of x mountain bikes. On June 27, 2009, P Canadian dollars were worth American dollars. Assume that this conversion applies today.

a. Write a function for profit in American dollars from the sale of x mountain bikes.

b. What is the profit in Canadian and in American dollars from the sale of 400 mountain bikes?

c. Numerically estimate the rate of change in profit to the nearest cent in both Canadian dollars and American dollars.