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Algebra
Question

Use the vertical line test to determine whether th...

Use the vertical line test to determine whether the graph is that of a function. (The dashed lines are not part of the graphs.) 

Determine whether the graph is that of a function. Choose the correct answer below. 

A. The graph is not that of a function because it is possible to draw a vertical line that intersects the graph more than once. 

B. The graph is not that of a function because it is possible to draw a horizontal line that intersects the graph more than once. 

C. The graph is that of a function because it is impossible to draw a vertical line that intersects the graph more than once. 

D. The graph is that of a function because it is impossible to draw a horizontal line that intersects the graph more than once. 

Answer

option C

Solution
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