11. A bike rental company rents beach bikes. They charge an initial fee plus $1 for each
hour the bike is rented. Chet rented a bike for
6 hours and was charged $10. Let x represent
the number of hours and y represent the total
cost of the rental.
a. What is the slope-intercept equation of
the line that fits this information?
b. If another customer rents a bike for 4
hours, how much should he expect to pay?