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Let A" "=" "{-1," "0," "1," "2} , B" "="...

Let `A" "=" "{-1," "0," "1," "2}` , `B" "=" "{-4," "-2," "0," "2}` and `f,g:" "A" "->" "B` be functions defined by `f(x)=x^2-x ,""""x in A` and `g(x)=2|x-(1/2)|-1, x in A` . Are f and g equal? Justify your answer. (Hint: One may note that two functio

A

`f=g`

B

`f=2g`

C

`g=2f`

D

None of these

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The correct Answer is:
A
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