1. How long is the baseball in the air? 5 seconds
A baseball coach uses a pitching machine to simulate
pop flies during practice. The baseball is shot out of the
pitching machine with a velocity of 80 feet per
second. The quadratic function y = –16x2 + 80x
models the height of the baseball after x seconds.
O4 seconds
03 seconds
O 6.2 seconds
2. What range makes sense for this scenario?
Os y s 80
Oy > 0
Oosy s 100
Oosy s5