I think it is the e first one A because if the graph shows that it’s in one so I think the if you but it in one I think that the gragh also has to show 9
Answer:
(2,-7)
Step-by-step explanation:
I think its that
Answer:
Step-by-step explanation:Since we want to know how much time elapsed since the object was launched until it ht the ground. At the ground, the height is 0.
Therefore the equation h(t) = 80t – 16t2 becomes 0= 80t – 16t2
Solving the equation for t gives 80t =16t2 or 16t=80 or t=5sec
The object hits the ground 5 seconds after it is launched.
