Solve the problem.Ron throws a ball straight up with an initial velocity of 40 feet per second from a height of 7 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 40t + 7;
5.328 sec;
1.25 sec;
25 feet
B. x = 0; y = -16t2 + 40t + 7;
4.621 sec;
1.25 sec;
177.892 feet
C. x = 0; y = -16t2 + 40t + 7;
2.311 sec;
1.25 sec;
6.988 feet
D. x = 0; y = -16t2 + 40t + 7;
2.664 sec;
1.25 sec;
32 feet
Answer: D
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A. It is 12% higher. B. It is 8% higher. C. It is 10% higher. D. It is 30% higher.
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A. 16x2 + 64y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine whether the ordered pair is a solution to the inequality.-3x - 15y > -54; (-2, 4)
A. Yes B. No