Which graph represents y as a function of x ?

Answer is "G"
There is more than one "y" for a certain "x" in all the other graphs, therefore they are not functions
Answer:
The correct answer is "G"
Step-by-step explanation:
If it is not possible to draw a vertical line to touch the graph of a function in more than one place, then y is a function of x. For Example: Use the vertical line test to determine if the graph depicts y is a function of x.
There is more than one "y" for a certain "x" in graph F, H and J , therefore they are not functions.
The correct answer is "G"
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