Create an equation for the following: the flu can spread quickly through a population. on january 1st there were 3 people with the flu. then the number of sick people quadrupled each week after that. equation: y= ? farmer dan starts with 400 acres of wheat. but then his field is attacked by locusts. each day he checks his crops only 3/4 of his crop remains. equation y= ? there are 14 bacteria in the dish. the number of bacteria multiplies by 4 each day. equation y= ?