I need to know what the answer is to this question

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

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.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?