Question
$f : A \rightarrow B, A = \{-3, -1, 1, 3\}; B = \{1, 0, 9\} f (x) = x^2$. એ વિધેય છે $?$

Answer

$f : A \rightarrow B , A = \{ -3, -1, 1, 3 \}, B = \{ 1, 0, 9, \}, f (x) = x^2 $ છે.તેથી $f$ એ વિધેય છે

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