What is the difference between each average monthly temperature for city 1 and the corresponding temperature for city 2

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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.