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Look at this set of ordered pairs:\newline(8,−13)(8, -13)\newline(0,12)(0, 12)\newline(4,10)(4, 10)\newlineIs this relation a function?\newlineChoices:\newline(A) yes\newline(B) no

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Full solution

Q. Look at this set of ordered pairs:\newline(8,−13)(8, -13)\newline(0,12)(0, 12)\newline(4,10)(4, 10)\newlineIs this relation a function?\newlineChoices:\newline(A) yes\newline(B) no
  1. Check xx-values: Check xx-values in the ordered pairs: (8,−13)(8, -13), (0,12)(0, 12), (4,10)(4, 10).\newlinexx-values: 88, 00, 44.
  2. Identify repeating xx-values: Do any xx-values repeat?\newlineNo, all xx-values are unique.
  3. Determine if function: Since no xx-values repeat, each xx-value is paired with exactly one yy-value. This means the relation is a function.

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