### Home > CC4 > Chapter 1 > Lesson 1.3.2 > Problem 1-83

1-83.

Which of the graphs below represent functions? Justify your answer. Homework Help ✎

Do all of these graphs have one output value for every input value?

For each graph above, state the domain and range.

The domain of a graph is its possible

*x*-values.All real numbers.

The range of a graph is its possible

*y*-values.1 ≤

*y*≤ 3