SOLUTION: The function ​f(x)​ is the height of an object x seconds after it is thrown in the air. The object reaches its maximum height in 2 s, and hits the ground at 5 s. Wha

Algebra ->  Functions -> SOLUTION: The function ​f(x)​ is the height of an object x seconds after it is thrown in the air. The object reaches its maximum height in 2 s, and hits the ground at 5 s. Wha      Log On


   



Question 1080956: The function ​f(x)​ is the height of an object x seconds after it is thrown in the air. The object reaches its maximum height in 2 s, and hits the ground at 5 s.
What is the practical domain for the function f(x)?

all real numbers
whole numbers in [0, 5]
[0, 5)
[0, 5]

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
[0, 5], because it starts at t=0 and it hits the ground at 5 seconds, not almost but not quite 5 seconds. Any value in that interval is part of the domain.