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1. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(4, 6) |
B. |
f(3, 1) |
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C. |
f(2, -2) |
D. |
f(-2, 3) |
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Hint |
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2. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
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A. |
(2, 4) |
B. |
(5, 4) |
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C. |
(5, 1) |
D. |
(0, 6) |
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Hint |
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3. |
Find the value of 63. |
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A. |
36 |
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B. |
18 |
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C. |
729 |
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D. |
216 |
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Hint |
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4. |
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. The system of inequalities that represents this problem is graphed below. Which ordered pair is not a vertex of the feasible region? |
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A. |
(15, 0) |
B. |
(0, 5) |
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C. |
(0, 0) |
D. |
(20, 0) |
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Hint |
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5. |
A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn? |
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A. |
$4.55 |
B. |
$3.30 |
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C. |
$4.80 |
D. |
$1.80 |
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Hint |
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