Suppose a stereo receiver manufacturer has the total cost function 
and the total revenue function 
, where x represents the number of units produced and sold. What is
the equation of the profit function, 
, for this commodity?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Find the missing parts of the triangle. B = 40.1°b = 24.1 in.c = 19.4 in.If necessary, round angles and side lengths to the nearest tenth.
A. A = 31.2°, C = 108.7°, a= 35.4 in. B. no such triangle C. A = 98.7°, C = 41.2°, a= 35.4 in. D. A = 108.7°, C = 31.2°, a= 35.4 in.
Mathematics
Graph the polar equation.r = 3 + sin ?
A. 
B. 
C. 
D. 
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Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 8
C. 33
D. 
Mathematics