Talya rents a steam machine to clean her carpets. The steam machine rents for a flat rate of $20.00 and $8.00 per hour from the time it is checked out to when it is checked back in. The costs for renting the steam machine for 1, 2, 3, and 4 hours (and beyond) are shown in the sequence. $28.00, $36.00, $44.00, $52.00, ... Which function models this sequence of costs, c(h), where h is hours?
a. c(h) = 20h + 8
b. c(h) = 28h + 8
c. c(h) = 20 + 8h
d. c(h) = 28 + 8h