1. VERTICAL LINE TEST GRAPHS can represent functions.
The ____________________ ___________ __________ can help you test whether or not a graph is a function.
Remember: There can only be ONE y value for each x value. If you run your pencil across two points vertically above one another, it is NOT a function!
Determine
which
graphs
are
functions
Can the graph of a function be a horizontal line? A vertical line? Explain why or why not.
VERTICAL LINE TEST

2. Determine the domain and range from a graph.
a) Determine if the graph is a function.
b) State the domain.
c) State the range.
a) a) a) a) a)
b) b) b) b) b)
c) c) c) c) c)