H(t) = - 16t ^ 2 + 48t + 72 If air resistance is ignored, the function h defined above models the height above ground, in feet, of toy rocket t seconds after it is launched from the roof of a building . Based on the model , what is the height above ground , in feet , of the toy rocket 1 second after launch ?

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours