The function f- R - R given by fx-x2-3 x-4 isA- one-one and ontoB- one-one and not ontoC- many one and not ontoD- not one-one and onto

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The function ...

Question

The function $f : R \to R$ given by $f (x) = x^{2} + 3 x + 4$ is

one-one and onto

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one-one and not onto

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many one and not onto

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not one-one and onto

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