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15 Cards in this Set
- Front
- Back
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Define: Relation
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A set of ordered pairs
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Define: Function
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A set of ordered pairs in which each element of the domain has only ONE element associated with it in the range
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Define: Onto
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All elements in the range have a corresponding element in the domain
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One-to-one
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Every element in the domain is mapped to a distinct element in the range
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Define: Dependent Variable
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A variable whose values always depend on the value(s) of other variable(s)
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Define: Independent Variable
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A variable whose value other variables depend upon
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Define: Vertical Line Test
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If a vertical line intersects the relation's graph in more than one place, then the relation is NOT a function
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Define: Domain
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The set of all possible x-values
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Define: Range
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The set of all possible y-values
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Define: Composition of two functions
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The function that maps x onto g(f(x)) and whose domain is the set of all values in the domain of f for which f(x) is in the domain of g
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Define: Natural Numbers
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The set of numbers that only includes positive numbers
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Define: Whole Numbers
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The set of numbers that includes zero and all positive numbers
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Define: Integers
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The set of all negative numbers, zero, and positive numbers
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Define: Rational Numbers
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The set of numbers that can be written as a ratio (fraction)
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Define: Real Numbers
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The set of numbers that can be written as a decimal (all numbers)
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