The vertical line test can be used to determine whether a graph represents a function. A vertical line includes all points with a particular x value. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output
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The vertical line test can be used to determine whether a graph represents a function. A vertical line includes all points with a particular x value. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output
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