Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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List the ordered pairs shown in the mapping diagram.
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1.
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a. | (7, 11), (11, 8), (15, 5), (19, 2) | c. | (7, 8), (11, 11), (15, 5), (19,
2) | b. | (7, 8), (11, 11), (15, 2), (19, 5) | d. | (11, 11), (8, 7), (5, 19), (2,
15) |
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2.
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a. | (4, 11), (6, 11), (8, 13), (10, 13) | c. | (4, 11), (6, 11), (13, 8), (10,
13) | b. | (6, 11), (10, 13) | d. | (4, 11), (8, 13) |
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Write an equation that describes the function.
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3.
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4.
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The output is four less than the input.
a. | y = 4 | c. | y = 4x | b. | y =  | d. |  |
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Write an equation for the function shown by the table.
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5.
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| Input, x | 6 | 7 | 8 | 9 | | Output, y | 3 | 4 | 5 | 6 | | | | | |
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6.
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| Input, x | 9 | 12 | 15 | 18 | | Output, y | 3 | 4 | 5 | 6 | | | | | |
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Which function does the graph represent?
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7.
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a. | y = x + 1 | c. | y = 2x –
1 | b. | y = 0.5x | d. | y = x |
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Other
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1.
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Extended Response You and your uncle are riding in a junior-senior
bicycle tour. You ride in the 25-mile tour for junior riders. Your uncle rides in the senior tour,
which continues on for another 18 miles at the end of the junior tour. a. Complete the input-output table for the junior bicycle
tour.
| Miles from the start, x | 0 | 5 | 10 | 15 | 20 | 25 | | Miles to the finish, y | | | | | | | | | | | | | |
b. Write a function rule for the junior bicycle tour in which
x is the input and y is the output.
c. Can you use your function rule to
find the distance to the end of your uncle’s senior tour? If not, write a function rule that
you can use.
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