Can someone tell me if this is correct or not my grades are bad

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

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.

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew