Use the vertical line test to determine whether the graph represents a function.
Answers
Given : a Graph
To Find : Use the vertical line test to determine whether the graph represents a function.
Solution:
The vertical line test is a visual way to determine if a curve is a graph of a function or not.
The graph represents a function if there are NO vertical lines that INTERSECT the graph at more than one point.
A function can have only one output, y, for each unique input, x.
Hence in Vertical test , Vertical lines are drawn if any vertical line intersect graph at more than one points then graph is not a function
As that implies for one unique input there are more than one outputs
As from graph its clearly visible if we draw vertical lines then any vertical line will not intersect graph at more than one point
Hence graph is a function
Given graph represents a function.
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