Solve the problem.A hotel has 300 units. All rooms are occupied when the hotel charges $90 per day for a room. For every increase of x dollars in the daily room rate, there are x rooms vacant. Each occupied room costs $26 per day to service and maintain. What should the hotel charge per day in order to maximize daily profit?
A. $195
B. $118
C. $198
D. $208
Answer: D
Mathematics
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
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Find the indicated matrix.Let A = 
and B = 
. Find -2A + 4B.
A. 
B. 
C. 
D. 
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Solve by using the quadratic formula.y2 - 5y - 1 = 0
A. 
B. 
C. 
D. 
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List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 2x2 - 4x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
C. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
Mathematics