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Pick out a function which is one - one b...

Pick out a function which is one - one but not onto

A

Let `A={a,b,c},B={2,4}`. Define
`f:AtoB" as "f(a)=4,f(b)=2,f(c)=2`.

B

Let `A={a,b,c},B={2,4,6,8}`. Define
`f:AtoB" as "f(a)=8,f(b)=2,f(c)=4`.

C

Let `A={a,b,c},B=(2,4,6}`. Define
`f:AtoB" as "f(a)=2,f(b)=4,f(c)=6`

D

Let `A={a,b,c},B={2,4,6,8}`. Define `f:AtoB" as "f(a)=2,f(b)=2,f(c)=2`.

Text Solution

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The correct Answer is:
B
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