1.

Let f be a function defined by f:xto5x^(2)+2,x in R (i) Express f as a set of ordered pairs using set builder notation. (ii) Is f a one-one function (iii) Find the image of 3 under f (iv) Find x such that f(x)=2

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Answer :`f={(x,y);y=5x^(2)+2,x inR}` (II) Not one one FUNCTION (iii) 47 (iv) 0


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