Question

How do you know when a line on a graph represents a relation but not a function

Answer 1

Answer:

#see solution for details.

Step-by-step explanation:

-Draw a horizontal line across the subject line.

-If the drawn horizontal line intersects our subject line more than once, then the line is not function but a relation.

-A relation has more than one input

- A line is said to be a relation if it has more than one input values, and a function if it only has one input value.