Try These out no links on My question or I will report you

i believe it’s the first one, but it could be the second! not the third or fourth.

explanation:

write it down

then read over it

then trun it in

. 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.