Jodi is considering taking online classes at two websites, learncenter and eduworld. each site requires that students pay a base membership fee, plus they charge a rate per class. the two graphs show the cost for taking online classes through the two websites. which statement best describes the functions that model the costs to take classes at each site?
a) learn center charges a higher membership fee and a higher rate per class.
b) learn center charges a higher membership fee but a lower rate per class.
c) learn center charges a lower membership fee but a higher rate per class.
d) learn center charges a lower membership fee and a lower rate per class.