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[" 17.Let "f:R rarr R" be a function def...

[" 17.Let "f:R rarr R" be a function defined by "f(x)=(x^(2)-3x+4)/(x^(2)+3x+4)" then "f" is - "],[[" (A) one-one but not onto "," (B) onto but not one - one "],[" (C) onto as well as one-one "," (B) neither onto nor one - on "]]

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