Which sentence describes most formal writing

answer: yes

explanation: he's doug dimmadome, owner of the dimsdale dimmadome

what is this from, i cant tell what language he uses without the piece of literature

. 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.