The functions y1 = 3x2 - 6 and y2 = 3x2 + 6 are graphed. How do their graphs differ? A)y1 is 6 units lower than y2.
B)y1 is 12 units lower than y2.
C)y1 is 12 units to the left of y1.
D)y1 and y2 are reflections in the x-axis.

Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.

Acylinder has volume 45π and radius 3. what is it’s height?

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.