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1. |
Which is not a point at which a maximum or minimum value of a function could occur for the feasible region? |
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A. |
(1, 5) |
B. |
(-3, 6) |
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C. |
(0, 3) |
D. |
(-3, 0) |
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Hint |
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2. |
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(3, 1) |
B. |
f(-2, 3) |
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C. |
f(2, -2) |
D. |
f(4, 6) |
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Hint |
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3. |
Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region. |
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A. |
27 |
B. |
14 |
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C. |
-28 |
D. |
-14 |
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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. Which inequality is not part of the system of inequalities that represents the problem? |
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A. |
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B. |
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C. |
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D. |
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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. |
$4.80 |
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C. |
$3.30 |
D. |
$1.80 |
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Hint |
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