algebra 1 (math) help.?

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.syd.

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i have been looking at this problem forever and i don't understand what its asking me do.please please help.
heres the problem:

One of the equations below represents the height (h) in feet of a thrown beaseball as it changes over time (t) in seconds. The ball starts at about shoulder height, rises to a maximum, and then falls to the ground.

h=16^2+t+4 h=-16^2+40t+4 h=16t h=16^t+3

1a. Which of these equations is a reasonable model for the given situation? Explain your reasoning.


1b. How is "shoulder height" represented in the correct equation?
 
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