Use the following function rule to find f(9).
f(x) = 4 + 9x
f(9) =
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The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Construct the graph that models the given situation