Question

Select the correct answer.

Which of the following represents a function?
A.
A value negative 7 in x corresponds to 45 in y. A value negative 4 in x corresponds to 52 in y. A value negative 1 corresponds to negative 2 in y. A value 2 in x corresponds to 45 in y.
B.
{(-7,-9), (-4,-9), (5,15), (7,19)}
C.
x 5 -5 10 5 -10
y 13 -7 23 17 -17
D.
A graph plots the points (negative 3, 1), (negative 3, negative 1), (negative 1, negative 3), (1, 5), (3, negative 3), and (4, negative 5) on the x y coordinate plane.

Answer 1

A and B

Explanation:

In both of these relations, each input corresponds to one and only output.