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The vertical line test is a method used to determine if a relation represents a function. Examples and answers for various graphs, helping readers understand the concept and apply the test effectively.
Typology: Summaries
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Q1: Graph A passes the vertical line test and B fails, so only A is a function.
Q2: Yes – it passes the vertical line test.
Q3: Yes – it passes the vertical line test.
Q4: A =2, is a function. B =4, is a function. C =3, is not a function. D =1, is a function.
Q5: False. Many-to-one and one-to-one relationships are both functions and pass the vertical line test.