Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.C(x) = 0.8x + 320R(x) = 1.2x
A. 820 units
B. 800 units
C. 201 units
D. 810 units
Answer: B
Mathematics
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Decide if the given ordered pair is a solution to the inequality.2x + 3y < 5: 
A. Yes B. No
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Convert as indicated.39 L to quarts
A. 36.9 qt B. 46.8 qt C. 17.7 qt D. 41.1 qt
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Solve for the missing numbers. Markup is based on selling price. Round dollar amounts to the nearest cent.
100%S$ ?
A. 
| 100% | S | $ | 94.41 |
B.
| 100% | S | $ | 52.82 |
C.
| 100% | S | $ | 52.82 |
D.
| 100% | S | $ | 56.97 |
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Find the exact value of the expression.tan-1 (-
)
A. - 
B. 
C. - 
D. 
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