Even though Ivan does not appear in this part of the story, Oona's story gives several details about his character. What can you tell about the character of Ivan from Oona's description of him? (1 point)

the answer to "what does the narrator realize by the end of the story" is b.

. 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.