Which of the following relations is a function click on the graph until the correct graph appears

only the last one since the others don’t pass the vertical line test
which is when you draw a straight line down your function and if it hits 2 or more points it is not a function
The correct graph should have x values that have no more than one y value.
Depending on the kind of function that is graphed, various graph types exist.
Linear, power, quadratic, polynomial, rational, exponential, logarithmic, and sinusoidal graphs are the eight most often used types.
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