Solve the problem.A person at the top of a 600 foot tall building drops a yellow ball. The height of the yellow ball is given by the equation 
where h is measured in feet and t is the number of seconds since the yellow ball was dropped. A second person, in the same building but on a lower floor that is 
from the ground, drops a white ball 
after the yellow ball was dropped. The height of the white ball is given by the equation
src="https://sciemce.com/media/4/ppg__tttt0527191430__f1q101g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 4.5 sec; 276 ft
B. 5 sec; 200 ft
C. 3.5 sec; 404 ft
D. 4 sec; 344 ft
Answer: A
Mathematics
src="https://sciemce.com/media/4/ppg__tttt0527191430__f1q101g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 4.5 sec; 276 ft
B. 5 sec; 200 ft
C. 3.5 sec; 404 ft
D. 4 sec; 344 ft
Answer: A
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- 
A. 
B. 
C. 
D. 
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A. u = 
i + 
j
B. u = -156i - 65j
C. u = - 
i - 
j
D. u = - 
i - 
j
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = x2 + 4x - 3
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