Asked by A Person

A football is kicked into the air from an initial height of 4 feet. The height, in feet, of the football above the ground, is given by s(t) = -16t^2 + 50t + 4, where the t is time, in seconds, and t>= 0. At what time will the football be 25 feet above the ground?

Answered by A Person
I have another question I posted as well.

Can anyone please help me? I'm unsure how I will complete this problem.
Answered by A Person
Is anyone one online?
Answered by Exist
What are the choices?
Answered by A Person
A. 3.625 seconds
B. 0.5 seconds
C. 0.5 seconds or 3.625 seconds
D. 0.5 seconds or 2.625 seconds

According to the problem, which of these are correct?
Answered by A Person
Does anyone know the answer?
Answered by A Person
I need help with this.
Answered by Exist
Maybe the answer is C. See if that's correct.
Answered by A Person
I need someone to answer this who is certain please.
Answered by A Person
Does anyone else know if the answer if C or not?
Answered by A Person
*Does anyone else know if the answer is C or not?

*I made a typo.
Answered by oobleck
jeez - all these guesses? Just solve
-16t^2 + 50t + 4 = 25
sure looks like D to me
Answered by A Person
Thank you very much! I definitely appreciate it!
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