Determine the domain and range of the given function. The domain is a)all real numbers b)all real numbers than or equal to -2
c) {x:x= -2,-1,0,1,2}
d) {y:y = -2,-1,0,1,2}

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.