Construct a rule $f : \{ 1,2,3,4,5 \} \rightarrow \{ 3,6,9,12 \}$ that is (a) a function,(b) a one-to-one function.

Name: Construct a rule $f : \{ 1,2,3,4,5 \} \rightarrow \{ 3,6,9,12 \}$ that is (a) a function,(b) a one-to-one function.
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Question

Quizplus · Accepted Answer

The Answer is (a)

f ( 1 ) = f ( 2 ) = 3 , f ( 3 ) = 6 , f ( 4 ) = 9 , ext { and } f ( 5 ) = 12

(b)

f ( 1 ) = 3 , f ( 3 ) = 6 , f ( 4 ) = 9 , ext { and } f ( 5 ) = 12

(There are other possible answers.)

Construct a Rule f:{1,2,3,4,5}→{3,6,9,12}f : \{ 1,2,3,4,5 \} \rightarrow \{ 3,6,9,12 \}f:{1,2,3,4,5}→{3,6,9,12}

Construct a Rule $f : \{ 1,2,3,4,5 \} \rightarrow \{ 3,6,9,12 \}$