Answer:
the numerator is 4x+6
Step-by-step explanation:
(( AY + AC ) / B ) + C = y
Answer:
4.64
Step-by-step explanation:
2.9 x 1.60=4.64
Answer:
a) c = 1/15
b) =2/5
c) = 3/5
d) No, it cannot be the PMF of y.
Step-by-step explanation:
We have that

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.