Characteristics of Relations and Functions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Set of ordered pairs represented by a set of points, graph, or an equation | Relation
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| Set of all the x-coordinates in a relation; Independent variable | Domain
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| Set of all y-coordinates in a relation; Dependent variable | Range
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| Relation in which each element of the domain is paired with exactly one element of the range; Set of points in which x values only occur once; Graph where any vertical line will only cross the graph once | Function
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| Individual points; Points not connected | Discrete
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| Line or smooth curve; infinite number of points | Continuous
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| Both the x-values and y-values increase; Intervals in the graph when the function goes up from left to right | Increasing
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| x-values increase and y-values decrease; intervals in the graph when the function goes down from left to right | Decreasing
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| Intersection of the x and y axis; Point (0,0) | Origin
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| Representation of the x and y coordinates; Point (x,y) | Ordered Pair
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Created by:
cindywalton
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