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A function 'f' from a set X toY is called onto if very yinY , EE x in Xsuch that f(x) =y . Unless the contrary is specified a real function is onto if it takes all real values ,Othervise ,it is called o into function , Thus , if X and Y are finite sets , then 'f' can not be onto if Y contains more elements then 'x' Now answer the following The polynomial functionf(x)= a_0 x^(n) +a_1 x^(n-1)+a_2x^(n-2)+.......+a_nwherea_0 ne 0is onto for |
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Answer» `0 lt x lt 2` |
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