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1. |
A relation in which each member of the domain is paired with exactly one member of the range is called a(n)_______. |
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A. |
ordered relation |
B. |
equivalent equation |
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C. |
function |
D. |
equivalent relation |
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Hint |
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2. |
If any vertical line passes through no more than one point of the graph of a relation, then the relation is a(n)_______. |
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A. |
domain relation |
B. |
function |
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C. |
equivalent relation |
D. |
straight line |
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Hint |
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3. |
The relation {(4, 6), (6, 1), (10, 2), (5, -1), (10, -2), (2, 6)} is _______. |
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A. |
a function, because all of the elements of the domain are positive |
B. |
not a function, because the range value 6 is paired with more than one element of the domain |
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C. |
not a function, because the domain value 10 is paired with more than one element of the range |
D. |
a function, because each element of the domain is paired with exactly one element of the range |
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Hint |
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4. |
Which graph does not represent a function? |
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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. |
If f(x) = 4x – 3, find f(j + 2). |
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A. |
4j – 3 |
B. |
4j + 11 |
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C. |
4j + 5 |
D. |
4j – 1 |
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Hint |
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