7. Lin is making a window covering for a window that has the shape of a half circle on top of a square of side length 3 feet. How much fabric does she need?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Which expression is equivalent to the expression shown?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?