Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. A ? C
B. B' ? A ? C
C. A ? C - B
D. C ? B' ? A
Answer: D
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The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2xy = 5
A. 2r cos ? sin ? = 5 B. r2 sin 2? = 5 C. r2 cos ? sin ? = 10 D. r2 sin 2? = 10
Solve the problem.A cancer patient undergoing chemotherapy is injected with a particular drug. The function 
gives the number of milligrams D of this drug that is in the patient's bloodstream h hours after the drug has been administered. How many milligrams of the drug were injected? To the nearest milligram, how much of the drug will be present after 2 hours?
Fill in the blank(s) with the appropriate word(s).
Graph each set of numbers on the number line.-3
, -1, 1, 3
A. 
B. 
C. 
D. 
Solve.The total cost in dollars for a certain company to produce x empty jars to be used by a jelly producer is given by the polynomial equation 
Find the cost of producing 100,000 jars.
A. $100,036 B. $20,000 C. $56,000 D. $36.20