Please help with this math homework question.

Which is the graph of the function y=2(4)^x

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.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area