F(x) = x^2. What is g(x)?

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.

How do you use the elimination method for this question? explain, because i really want to understand!

Which of the following is the true for f(x) = 5cos