If the Function Is One-To-One, Find Its Inverse $$\{ ( 7,2 ) , ( 8,2 ) , ( 9,2 ) , ( 10,5 ) \}$$

question 392

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$\{ ( 7,2 ) , ( 8,2 ) , ( 9,2 ) , ( 10,5 ) \}$$

• A) \(\{ ( 7,5 ) , ( 7,2 ) , ( 9,8 ) \}\)
• B) \(\{ ( 2,7 ) , ( 5,2 ) , ( 9,8 ) \}\)
• C) \(\{ ( 2,7 ) , ( 8,2 ) , ( 9,5 ) \}\)
• D) not one-to-one

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