Questions: Identify the inverse relation. Is it a function? 16. x -2 -1 0 1 2 3 y 9 3 -4 8 -6 3 17. x -2 1 0 1 2 3 y -7 6 8 -1 3 7

Identify the inverse relation. Is it a function?

16.
x  -2  -1  0  1  2  3
y  9  3  -4  8  -6  3

17.
x  -2  1  0  1  2  3
y  -7  6  8  -1  3  7
Transcript text: Identify the inverse relation. Is it a function? 16. $x$ | -2 | -1 | 0 | 1 | 2 | 3 $y$ | 9 | 3 | -4 | 8 | -6 | 3 17. $x$ | -2 | 1 | 0 | 1 | 2 | 3 $y$ | -7 | 6 | 8 | -1 | 3 | 7
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Solution

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Solution Steps

To identify the inverse relation, we need to swap the \(x\) and \(y\) values in the given tables. Then, we need to check if the resulting set of pairs forms a function. A relation is a function if each input (x-value) maps to exactly one output (y-value).

For the first table:

  • Swap the \(x\) and \(y\) values.
  • Check if each \(x\) value is unique.

For the second table:

  • Swap the \(x\) and \(y\) values.
  • Check if each \(x\) value is unique.
Step 1: Identify the Inverse Relation for Table 1

For the first table, we have the pairs: \[ \begin{array}{|c|c|} \hline x & y \\ \hline -2 & 9 \\ -1 & 3 \\ 0 & -4 \\ 1 & 8 \\ 2 & -6 \\ 3 & 3 \\ \hline \end{array} \] Swapping the \(x\) and \(y\) values gives us the inverse relation: \[ \text{Inverse Relation 1} = \{(9, -2), (3, -1), (-4, 0), (8, 1), (-6, 2), (3, 3)\} \]

Step 2: Check if Inverse Relation 1 is a Function

To determine if this inverse relation is a function, we check for unique \(x\) values. The \(x\) values in the inverse relation are: \[ \{9, 3, -4, 8, -6, 3\} \] Since the value \(3\) appears twice, the inverse relation is not a function.

Step 3: Identify the Inverse Relation for Table 2

For the second table, we have the pairs: \[ \begin{array}{|c|c|} \hline x & y \\ \hline -2 & -7 \\ 1 & 6 \\ 0 & 8 \\ 1 & -1 \\ 2 & 3 \\ 3 & 7 \\ \hline \end{array} \] Swapping the \(x\) and \(y\) values gives us the inverse relation: \[ \text{Inverse Relation 2} = \{(-7, -2), (6, 1), (8, 0), (-1, 1), (3, 2), (7, 3)\} \]

Step 4: Check if Inverse Relation 2 is a Function

To determine if this inverse relation is a function, we check for unique \(x\) values. The \(x\) values in the inverse relation are: \[ \{-7, 6, 8, -1, 3, 7\} \] All \(x\) values are unique, so the inverse relation is a function.

Final Answer

For the first table, the inverse relation is not a function. For the second table, the inverse relation is a function. Thus, we conclude: \[ \boxed{\text{Inverse Relation 1: Not a function, Inverse Relation 2: Function}} \]

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