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Look at this set of ordered pairs:\newline(2,16)(2, 16)\newline(2,4)(2, 4)\newline(−11,−12)(-11, -12)\newline(3,7)(3, 7)\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(2,16)(2, 16)\newline(2,4)(2, 4)\newline(−11,−12)(-11, -12)\newline(3,7)(3, 7)\newlineIs this relation a function?\newlineChoices:\newline(A) yes\newline(B) no
  1. Check xx-values: Check xx-values in the ordered pairs: (2,16)(2, 16), (2,4)(2, 4), (−11,−12)(-11, -12), (3,7)(3, 7).\newlinexx-values: 22, 22, −11-11, xx00.
  2. Identify repeating x-value: Do x-values repeat? Yes, the x-value 22 repeats.
  3. Determine function status: Since the xx-value 22 repeats with different yy-values, the relation is not a function.

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