Solve the problem.A CD store determines the following demand function for a particular CD 
where q = the number of CDs sold per day when the price per CD is x dollars. At a price of $9 per CD will a small increase in price cause the total revenue to increase, decrease, or stay the same?
A. Stay the same
B. Increase
C. Decrease
Answer: B
Mathematics
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Rewrite using exponential notation. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
3
A. (7x3y)3/5 B. (7x3y)5/3 C. (7xy)4 D. (7x3y)2
Mathematics
Decide whether the statement is true or false.The y-intercepts of the ellipse with equation 
are 
and 
A. True B. False
Mathematics
Write in decimal notation.8.122 × 10-5
A. 0.00008122 B. 0.0008122 C. -812,200 D. 0.000008122
Mathematics
Find the slope of the line passing through the given pair of points.(1, 4) and (1, -9)
A. - 
B. Not defined
C. 
D. 0
Mathematics