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1. |
Choose the relation that is a function. |
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A. |
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B. |
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C. |
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Hint |
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2. |
Given the function f(x) = x2 + 9, find f(-3). |
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A. |
0 |
B. |
12 |
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C. |
18 |
D. |
6 |
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Hint |
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3. |
Find the domain of the relation shown in the graph. |
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A. |
{-2, -1, 1, 2, 3, 5} |
B. |
{0, 1, 2, 3} |
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C. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
D. |
{-3, -2, -1, 0, 1, 3} |
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Hint |
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4. |
Is the relation shown in the graph a function? Why or why not? |
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A. |
No, the relation contains the ordered pairs (0, -1) and (3, -1). |
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B. |
Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. |
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C. |
Yes, the relation contains very few ordered pairs. |
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D. |
No, the relation contains the ordered pairs (3, -1) and (3, 2). |
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Hint |
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5. |
Graph the relation represented by y = x2 – x + 1. |
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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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