f: A B, A= -3,-1,1,3 ; B= 1,0,9 : f(x)=x^2 . Is f a function? - Vidyadip

Question

$f: A \rightarrow B, A=\{-3,-1,1,3\} ;$
$B=\{1,0,9\}: f(x)=x^2 . \text { Is } f$ a function?

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Answer

$f: A \rightarrow B, A=\{-3,-1,1,3\} ; B=\{1,0,9\} ; f(x)=x^2$. Therefore, $f$ is a function.

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