Vertical Line Test to Identify Graphs as a Function
The above gra...
Question
The above graph is
A
Not a relation
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B
Not a function
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C
a function
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Solution
The correct option is B Not a function Vertical line test :
The vertical line cuts the graph at two points therefore the vertical line test fails. ∴ for one value of x there are 2 values of y.
Hence the given graph is a relation but not a function.