In circle D, which is a secant?
O EF
O DC
O AB
OGH
HEN

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.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

For the feasibility region shown below find the maximum value of the function p=3x+2y