Question

which relation is not a function

Answer 1

O is the correct option

Answer 2

function is a relation in which each input has only one output. In the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multipleoutputs: x = 1 and x = 2.
$\leqslant answer \: by \\ \: \: \: \: \: \: \: \: \: \: akshat \: rajput \geqslant .....$