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 ![]()
class="wirisformula" data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__4.4_Optimization_I__media__0499c313-cada-481a-a67e-c4a625b89c63.PNG" style="vertical-align: middle;" /> denotes the unit price in dollars and 
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).
6,000
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x). 
A. 
; limit = ?
B. 
; limit = 5.10
C. 
; limit = 1.210
D. 
; limit = 4.0
Use the exponential key to find an approximation to the nearest thousandth.2.7272.1
A. 8.221 B. 7.563 C. 5.727 D. 7.437
Determine whether the sequence is arithmetic.an = 4 - 
A. Arithmetic B. Not arithmetic
Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent. 3x - 2y = 4-6x + 4y = 7
A. Infinitely many solutions, dependent
B. (1, 2)
C. No solution, inconsistent
D. (2, 1)