Your iris controls the amount of light that enters your eye by changing the size of your pupil. a. Write a polynomial in standard form that represents the area of your pupil. Write your answer in terms of π.

Area =

mm2

b. The width x of your iris decreases from 4 millimeters to 2 millimeters when you enter a dark room. How many times greater is the area of your pupil after entering the room than before entering the room?

times greater