The first equation in the system models the heights, h, of a falling volleyball as a function of time, t. the second equation models the heights, h, of the hands of a player jumping up to spike the ball as a function of time, t. which statement describes the situation modeled by this system?
h=14-16t^2
h=7+24t-16t^2
a. the volleyball is 7 feet above the ground at the instant the player begins her jump.
b. the volleyball is 14 feet above the ground at the instant the player begins her jump.
c. the volleyball is 16 feet above the ground at the instant the player begins her jump.
d. the volleyball is 24 feet above the ground at the instant the player begins her jump.
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The volleyball is 14 feet above the ground at the instant the pl;ayer begins her jump.

B is correct.

Step-by-step explanation:

Here we have two situation of system of models.

We need to find the height of ball above the ground at the instant the player begins jump.

At t=0, player begins jump.

We put t=0 into

Height of player hand at t=0 , h=7 feet.

Now we will set t=0 for first model.  

Thus, The volleyball is 14 feet above the ground at the instant the pl;ayer begins her jump.

B is correct.

7. 153.86 ft

8. 12.56 ft

9. 78.5 m

10. 379.94 in

11. 132.665 m

12. 12.56 yd

13. 226.865 ft

14. 113.04 ft

15. 63.585 ft

16. 254.34 m

17. 50.24 cm

step-by-step explanation:

7.

8.

9.

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16.

17.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get