Which relation is a function?
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Answer: see below
Step-by-step explanation:
Vertical line test determines which graph is a function.
The graph should pass the vertical line only once if it’s a function.
So we can see that it is the left V-shaped graph.
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Answer:
C
Step-by-step explanation:
C is a function. Note that the graph passes the vertical line test: a vertical line intersects the graph in no more than one place.