(PLEASE PLEASE HELPP)

For a physics experiment, students toss a basketball into the air from the top of a school building. They write the expression -16t? + 48t + 56 to represent the height, in feet, of the basketball after t seconds.
Based on this expression, what is the height, in feet, of the school building?

PLEASE PLEASE HELPP For a physics experiment students toss a basketball into the air from the top of a school building They write the expression 16t 48t 56 to r class=