Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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Express each relation as a graph and a mapping. Then determine the domain and
range.
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1.
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{(3,
1), (2, –5), (2, 4), (3, 3)} a. |
D = {2, 3}; R = {–5, 1, 3,
4} | c. |
D = {2, 3}; R = {–5, 1, 3, 4} | b. |
D = {2, 3}; R = {–5, 1, 3, 4} | d. |
D = {2, 3}; R = {–5, 1, 3,
4} | | | | |
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2.
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{(1,
1), (–2, 3), (2, 4), (3, 1)} a. |
D = {–2, 1, 3}; R = {1, 3, 4} | c. |
D = {–2, 1, 2, 3}; R = {1, 3, 4} | b. |
D = {–2, 1, 2, 3}; R = {1, 3, 4} | d. |
D = {–2, 1, 2, 3}; R = {1, 3,
4} | | | | |
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3.
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{(1,
–2), (–2, –3), (2, 4), (1, –4)} a. |
D = {–2, 1, 2}; R = {–4, –3, –2,
4} | c. |
D = {–2, 1, 2}; R = {–4, –3, –2,
4} | b. |
D = {–2, 1, 2, 4}; R = {–4, –3,
–2} | d. |
D = {–2, 1, 2}; R = {–4, –3, –2,
4} | | | | |
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Express the relation as a table and a graph. Then determine the domain and
range.
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4.
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{(4,
0), (3, 2), (3, 0), (–3, –2), (4, –1)} a. | D = {–3, 3,
4}; R = {–2, –1, 0, 2} | c. | D = {–3, 3, 4}; R = {–2, –1, 0,
2} | b. | D = {–3, 3,
4}; R = {–2, –1, 0, 2} | d. | D = {–2, –1, 0, 2}; R = {–3, 3,
4} | | | | |
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5.
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{(0,
–1), (3, 4), (–4, –3), (0, –3), (–4, –2)} a. | D = {–4, 0,
3}; R = {–3, –2, –1, 4} | c. | D = {–4, 0, 3}; R = {–3, –2, –1,
4} | b. | D = {–4, 0,
3}; R = {–3, –1, 4} | d. | D = {–4, 0,
3}; R = {–3, –2, –1, 4} | | | | |
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6.
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{(2,
–1), (3, –1), (4, –1), (0, –1), (–4, –1)} a. | D = {–4, 0,
2, 3, 4}; R = {–1} | c. | D = {–4, 0,
2, 3, 4}; R = {–1} | b. | D = {–4, 0, 2, 3, 4}; R =
{–1} | d. | D = {–4, 0,
2, 3}; R = {–1} | | | | |
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Solve the equation for the given domain. Graph the solution set.
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7.
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y = 2x – 1 for x = {–3, –1, 1, 2,
3} a. | {(–3,
–7), (–1, –3), (1, 1), (5, 5), (3, 5)}
| c. | {(–3, –7), (–1, –3), (1, 1), (2, 3), (3,
5)}
| b. | {(–3,
–6), (–1, –3), (1, 1), (2, 3), (3, 5)}
| d. | {(–3, –7), (–1, –3), (1, 1), (2, 3), (3,
5)}
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8.
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3x
– y = –1 for x = {–1, 0, 1, 4} a. | {(–1,
–2), (0, 1), (1, 4), (4, 13)}
| c. | {(–1,
–1), (0, 1), (1, 4), (4, 13)}
| b. | {(–1, –2), (0, 1), (1, 4), (7,
15)}
| d. | {(–1, –2), (0, 1), (1, 4), (4,
13)}
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Graph the equation.
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9.
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10.
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11.
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12.
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Which
relation is a function? |