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The mapping shows a function.
HELP ASAP 20 points

The mapping shows a function. HELP ASAP 20 points-example-1
User MaxOvrdrv
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Answer: (2,1)

Why? Because x = 2 is already listed in the input oval (aka domain).

We cannot repeat x values. Otherwise, we'll have an x input lead to more than one y output. Refer to the vertical line test for more information.

User Ruevaughn
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