Solve the problem.The owner of a video store has determined that the profits P of the store are approximately given by 
where x is the number of videos rented daily. Find the maximum profit to the nearest dollar.
A. $11,304
B. $5,625
C. $11,250
D. $5,679
Answer: D
Mathematics
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Calculate, if possible.
A. 5 B. 0 C. -5 D. Undefined
Mathematics
If n is an integer, n ? 180° represents an integer multiple of 180°, and 
represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. tan(n ? 180°)
A. 1 B. -1 C. 0 D. Undefined
Mathematics
Perform the indicated operation.27 gal 2 qt ÷ 2
A. 13 gal 3 qt B. 13 gal 2 qt C. 13 gal 1 qt D. 14 gal 1 qt
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 2x - 3Find 
.
A. 
(x) = 
; 
? 
B. 
(x) = 
; 
? 
C. 
(x) = 
; [0, ?)
D. 
(x) = 
; (-?, 0) ? (0, ?)
Mathematics