Let $R = \{(1, 3), (2, 2), (3, 2)\}$ and $S = \{(2, 1), (3, 2), (2, 3)\}$ be two relations on the set $A = \{1, 2, 3\}$. Find $R \circ S^{-1}$.

  • A
    $\{(2, 2), (3, 2)\}$
  • B
    $\{(1, 2), (2, 2), (3, 2)\}$
  • C
    $\{(1, 2), (2, 2)\}$
  • D
    $\{(1, 2), (2, 2), (3, 2), (2, 3)\}$

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