Blast Off math:
Two friends, Regina and Brenda, are members of the NASA rocket club but go to different schools. Regina goes to David East High School and Brenda attends Grad Gate High School. Each of their schools is having a competition to see whose model rocket can stay in the air the longest. Mr. Math helped the students construct equations that describe the height of the rocket from the ground when it has been launched upward from the roof of the school. The following are Regina’s and Brenda’s equations:
Brenda: -16t^2+40t+56
Regina: -5t^2+15t+8
T= seconds h= feet for brenda, meters for regina.
i need help doing this problem. any help is great. at least guide me in the right path. is this possible to graph? if so how?