Amusic store is having a sale where you can buy 2 new releases cds for $22 or you can buy 4 new releases cds for $40 are these rates equivalent

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

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.

When only separate discreet points are graphed it is called?