In each of the following cases, state wh...

In each of the following cases, state whether the function is one-one, onto or bijective. Justify your answer.
(i)` f : R to R` defined by `f (x) =3-4x`
(ii) `f : R to R` defined by `f (x) =1 + x ^(2)`

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The correct Answer is:

(i) One-One and onto
(ii) Neither one-one nor onto.

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