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Show work how you know it’s a function or not a function for each problem. PLEASE SOMEONE HELP ME OUT

Show Work How You Know Its A Function Or Not A Function For Each Problem PLEASE SOMEONE HELP ME OUT class=

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MEDUNNO13GO

Answer: Function, not a function, Function, not a function

Step-by-step explanation:

For it to be a function, each value of x has to map onto one value of y.

  1. This is a function.
  2. Not a function since x=-1 has more than one y value.
  3. This is a function
  4. Not a function since x=-6 has more than one y value.

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