Only selections B and D give a maximum height of 13 at t=3. However, both of those functions have the height be -5 at t=0, meaning the ball was served from 5 ft below ground. This does not seem like an appropriate model.
We suspect ...
• the "correct" answers are probably B and D
• whoever wrote the problem wasn't paying attention.
49 divided by 369 is 0.13279133 and 369 divided by 49 is 7.53061224
16.6 is the answer. 16 is the whole number so u just divide 3 and 5 and get .6
i think it's 790,000 or 800,000 i hope i helped