Answer:
A. {(8,0), (0,8), (1,-6), (4,-7), (-1,8)}
Step-by-step explanation:
Any relation that maps x to more than one value of y is NOT a function.
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In B, -3 is an x-value that is used twice.
In C, -1 is shown as being mapped to 10 and 18 (more than one value).
In D, the graph shows -4 produces 2 different output values.
The appropriate choice is the set of ordered pairs shown in A.