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[" 02.If "f(x)=x^(3)+3x^(2)+12x-2sin x,"...

[" 02.If "f(x)=x^(3)+3x^(2)+12x-2sin x," where "f:R rarr R" ,then "],[[" (a) "f(x)" is many-one and onto "," (b) "f(x)" is one-one and "],[" (c) "f(x)" is one-one and into "," (d) "f(x)" is many-one at "]]

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