Problema Solution
Which of the following relations is a function?
a. {(-2, -2),(-2, -1),(-2, 0),(-2, 1),(-2, 2)} b. {(1, 0),(-1, 0),(2, 1),(-2, 1),(3, 2),(-3, 2)} c. {(-2, 1),(-1, 2),(0, 0),(-1, 1),(2, -2)} d. {(-3, 3),(1, 3),(-3, 2),(1, 2),(-3, 1),(1, 1)}
Answer provided by our tutors
A function is a set of ordered pairs in which each x-element has only ONE y-element associated with it.
Function is b. {(1, 0),(-1, 0),(2, 1),(-2, 1),(3, 2),(-3, 2)}.