The concentration (in milligrams/cubic centimeter) of a certain drug in a patient's body t hr after injection is given by
?
interval where 
is decreasing.
?
When is the concentration of the drug increasing and when is it decreasing?
?
A. Increasing on 
B. Increasing on 
and decreasing on 
C. Decreasing on 
D. The concentration of the drug is constant.
Answer: B
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Find the surface area of the figure. When appropriate, use ? = 3.14 and round your answer to the nearest hundredth.
A. 153.86 cm2 B. 219.8 cm2 C. 422.16 cm2 D. 314 cm2
List the ordered pairs from the table.Sales at the University Bookstore
A. (1, 670,000), (2, 190,000), (3, 1,090,000), (4, 320,000) B. (320,000, 1), (1,090,000, 2), (190,000, 3), (670,000, 4) C. (1, 190,000), (2, 670,000), (3, 320,000), (4, 1,090,000) D. (670,000, 1), (190,000, 2), (1,090,000, 3), (320,000, 4)
Two dice are thrown. Determine the number of ways the indicated score can be obtained.Multiple of 11
A. 3 B. 1 C. None D. 2
Simplify each complex fraction.
?
?
Assume that no denominators are 0.
?
A. ?
B. 
C. ?
D. ?