Solve the problem.A rock falls from a tower that is 368 feet high. As it is falling, its height is given by the formula 
How many seconds (in tenths) will it take for the rock to hit the ground (h = 0)?
A. 8464 sec
B. 19.2 sec
C. 4.8 sec
D. 18.8 sec
Answer: C
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Use the given values of a and b and express the given limit as a definite integral.
?xk, a = -5, b = 4
A. 
B. 
C. 
D. 
Solve the problem.An open, rectangular aquarium is to hold 6 ft3 of water. The bottom is to be made from granite and the sides from glass. If granite costs 7 times as much as glass, what dimensions should be chosen to minimize the cost? Ignore the thickness of the materials.
A. The dimensions of the bottom should be 
feet by 
feet and the height should be 
B. The dimensions of the bottom should be 
feet by 
feet and the height should be 
C. The dimensions of the bottom should be 
feet by 
feet and the height should be 
D. The dimensions of the bottom should be 
feet by 
feet and the height should be 
Using the definitions of "divisible" and "factor," answer the given question.Is 76 divisible by 2?
A. Yes B. No
Provide an appropriate response.If a > 0, which of the following correctly describes - 
?
A. Zero B. Not real C. Positive D. Negative