Define a relation from to by

MATHEMATICS · Subjective · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Define a relation FF from A={0,1,4}A=\{0,1,4\} to R\mathbb R by F={(x,y):y=±x}F=\{(x,y):y= \pm\sqrt{x}\}. Is FF a function from AA to R\mathbb R? Explain why or why not.

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