The height in feet of a baseball can be modeled by the function y=-16t^2+64t where t is the time in seconds after the ball is hit. Find the baseball's maximum height and the time it takes to reach this
height. Then find how long the baseball is in the air.

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.