f, g and h are three functions defined from R to R as follows: (i) `f( – InterviewSolution

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1.	f, g and h are three functions defined from R to R as follows: (i) `f(x)=x^(2)` (ii) `g(x)=x^(2)+1` (iii) `h(x)=sinx` Then, find the range of each function.
Answer» (i) Clearly, `f(x)=x^(2)ge0" for all "x""inR`. (ii) `f(x)=x^(2)+1ge1" for all "x""inR`. `sinx""in[-1,1]`.

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