Determining Domain and Range in Interval Notation

What is the domain of a function?

• The set of y values

• The set of x values

• The set of f(x) values

• The set of z values

What is the range of a function?

• The set of y values

• The set of f(x) values

• The set of x values

• The set of z values

In the first graph, what is the domain?

• [2, 8]

• [2, 8)

• (2, 8]

• (2, 8)

In the first graph, what is the range?

• (6, 8)

• (6, 8]

• [6, 8]

• [6, 8)

In the second graph, what is the domain?

• (4, 8)

• [4, 8)

• (4, 8]

• [4, 8]

In the second graph, what is the range?

• (2, 8]

• [2, 8]

• (8, 2]

• [8, 2)

In the third graph, what is the domain?

• [-4, 4]

• (-4, 4)

• (-4, 4]

• [-4, 4)

In the third graph, what is the range?

• [0, 2)

• (0, 2)

• (0, 2]

• [0, 2]

What does an open circle on a graph indicate?

• The value is included

• The value is excluded

• The value is zero

• The value is undefined

What does a filled-in circle on a graph indicate?

• The value is undefined

• The value is zero

• The value is excluded

• The value is included