Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which set of points represents a function?
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2.
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Which is the rule for the function table? 
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3.
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Which graph shows a function?
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4.
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Patrick pays $10 per month for recycling. He expects the cost to increase
70¢ every 2 years. What is the slope that represents his cost change per year?
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5.
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Which equation gives the direct variation if  when  ?
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6.
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Which set of ordered pairs represents a function?
a. | (2, 1), (3, 1), (5, 1), (5, 4) | c. | (2, 5), (1, 6), (0, 5), (1,
10) | b. | (5, 4), (4, 5), (1, 2), (1, 4) | d. | (0, 0), (1, 1), (2, 0), (3,
3) |
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7.
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Write a rule for the linear function.  a. | f(x) =  x – 3 | c. | f(x) =  x2 + 3 | b. | f(x) =  x +
3 | d. | f(x) =  x – 3 |
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8.
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Which graph represents a function?
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9.
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Determine if the relation represents a function.  a. | The relation is a function. | b. | The relation is not a
function. |
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10.
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Which is a solution to the equation  ?
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11.
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Determine if the relation represents a function. a. | The relation is a function. | b. | The relation is not a
function. |
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12.
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What is the equation of the line that passes through the points  and  ?
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13.
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Choose the equation that is represented by the data in the table. 
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