Solve the problem.A projectile is thrown upward so that its distance above the ground after t sec is given by 
After how many seconds does it reach its maximum height?
A. 34 sec
B. 25.5 sec
C. 17 sec
D. 8 sec
Answer: C
You might also like to view...
Simplify the expression. If any variables exist, assume that they are positive and write your answer in radical notation.
? 
A. 
B. x
C. 
D. x
Solve the problem.One maid can clean the house in 3 hours. Another maid can do the job in 8 hours. How long will it take them to do the job working together?
A. 
hr
B. 4
hr
C. 
hr
D. 2
hr
Find the partial fraction decomposition for the rational expression.
A. 2x - 5 + 
+ 
B. 2x - 9 + 
+ 
C. 2x - 9 + 
+ 
D. 2x - 5 + 
+ 
Solve the problem.Find the approximate number of batches (to the nearest whole number) of an item that should be produced annually if 280,000 units are to be made. It costs 
to store a unit for one year, and it costs 
to set up the factory to produce each batch.
A. 18 batches B. 27 batches C. 25 batches D. 20 batches