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2. Determine whether the following graphs are functions. Perform a test to verify 10 te 10-4 24 10
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Answer #1

For a graph to be a function, it must pass vertical line test which says that for every x there should be only one value of y if the graph has to be a function

Therefore 1st graph is not function asit fails vertical line test because at x=4 there are two values of y i.e y=-1.8 and y=12

Graph 2 is a function because it passes vertical line test since for every x there is only one value of y possible

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