write a short paragraph about how to be a positive person

well be nice kind say thanks and ur the best  and overall be kind :D (hope this helps)

Explanation:

. a 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 multiple outputs: x = 1 and x = 2.