Find the derivative.y = 
A. 
B. 
+ 
C. 
- 
D. 
Answer: D
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 12
- 1
B. 12
+ 12
C. 
D. 12
- 12
Provide an appropriate response.A businessman is charged a $9.92 monthly finance charge on a bill of $566.30. What is the monthly interest rate on the account? (Round to the nearest hundredth of a percent.)
Fill in the blank(s) with the appropriate word(s).
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(r1/6s1/6)2
A. r1/36s1/36 B. r1/12s1/12 C. r2s2 D. r1/3s1/3
The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation 
, where
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is the number of discs demanded, relates the demand to the price.
?
The total monthly cost (in dollars) for pressing and packaging
copies of this classical recording is given by 
.
?
To maximize its profits, how many copies should Phonola produce each month? Hint: The revenue is 
, and the profit is 
.
?
__________ copies
Fill in the blank(s) with the appropriate word(s).