This says is supposed to be 20 characters long. The actual question is the one in the picture. f(1)=?

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

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Rewrite so the subject can be y in the formula d=m-y/y+n