Use a graphing utility to graph the polar equation.r = 
A. 
B. 
C. 
D. 
Answer: D
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Graph the compound inequality.-4 ? x < 0
A. 
B. 
C. 
D. 
Write a statement that represents the relationship between the following.C = {x
} and D = {x
}
A. D = C B. D ? C C. D ? C D. C ? D
Assume that the demand function for a certain commodity has the form
?
?
where x is the quantity demanded, measured in units of a thousand, and p is the unit price in dollars. Suppose the quantity demanded is 4,000 (x = 4) when the unit price is $7.00 and 7,000 (x = 7) when the unit price is $4.00. Determine the demand equation.
?
A. ?
B. 
C. 
D. 
E. 
Solve the problem.A convention manager finds that she has $1320 made up of twenties and fifties. She has a total of 48 bills. How many fifty-dollar bills does the manager have?
A. 36 fifty-dollar bills B. 12 fifty-dollar bills C. 8 fifty-dollar bills D. 48 fifty-dollar bills