Solve the problem.A manufacturer sells telephones with cost function 
, 0 ? x ? 750 and revenue function 
, 0 ? x ? 750. Determine the interval(s) on which the profit function is increasing.
A. (650, 750)
B. (50, 600)
C. (0, 650)
D. (0, 7650)
Answer: C
Mathematics
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A. 
? d
B. 
< 2
C. 
< y
D. 
< d
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Graph the linear equation by finding and plotting its intercepts.y = 
x - 2
A. 
B. 
C. 
D. 
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Solve the inequality. Graph the results.-7x + 4 > -8x - 6
A. x ? -2 
B. x < -10 
C. x > -10 
D. x ? -2 
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Does the graph represent a function that has an inverse function?
A. No B. Yes
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