Answer:
see image; 200; 400
Step-by-step explanation:
y=20x
graph
Answer:
the height of the rock 3.2 seconds after it is propelled
Step-by-step explanation:
<u><em>The complete question is</em></u>
The function h(t) = –16t2 + 28t + 500 represents the height of a rock t seconds after it is propelled by a slingshot
Let
t------> the time in seconds
h----> the the height of a rock after it is propelled by a slingshot in meters
we know that

For 
Find the value of h(t)

therefore
h(3.2) represent the height of the rock
seconds after it is propelled
see the attached figure to better understand the problem
Answer:
30 students they are including the students that are also planning to participate in other sports to.
Answer:
16
+ 2t - 6
Step-by-step explanation:

simplify

combine like terms
16
+ 2t - 6