What is the exposition of diary of a whimpy kid wrecking ball

The Wrecking Ball is the 14th book in the Diary of a Wimpy Kid series. Wrecking Ball focuses on Greg; his mother, Susan; his father, Frank; and his best friend, Rowley; as the Heffley family renovates their house and prepares to move to a new neighborhood that he has never been in before.

. 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.