Graphs of a Functions

Identify the domain of the function shown in the graph.

• x is all real numbers

• x< 0

• -7 < y < 7

• y = 1.5

Identify the domain of the function shown in the graph.

• x > 0

• 0 < x < 5

• -5 < x < 5

• x is all real numbers

Identify the range of the function shown in the graph.

• -2 < y < 2

• {-2, 2}

• y is all real numbers

• y > 0

Identify the range of the function shown in the graph.

• y > 0

• 0 < y < 5

• -5 < y < 5

• y is all real numbers.

Is the graph increasing, decreasing, or constant?

• Increasing

• Constant

• Decreasing

What is happening to this graph when the x-values are between -8 and -4?

• It is constant.

• It is increasing.

• It is decreasing.

Which graph decreases, crosses the y-axis at (0, -7), and then remains constant?

• Graph A

• Graph B

• Graph C

Which is true about the functional relationship shown in the graph?

• The cost of the apples is a function of the types of apples.

• The cost of the apples is a function of their weight.

• The weight of the apples is a function of the number of apples.

• The weight of the apples is a function of their cost.

A movie theater sells up to 10 tickets at a time online. What is the domain of this graph?

• All integers

• All real numbers

• Whole numbers from 0 to 10

• Real numbers from 0 to 10

Sam is rowing a boat away from a dock. The graph shows the relationship between time and Sam's distance from the dock. Evaluate the function for an input of 3.

• After 3 minutes, Sam is 3 meters from the dock.

• After 3 minutes, Sam is 40 meters from the dock.

• After 40 minutes, Sam is 3 meters from the dock.

• After 40 minutes, Sam is 40 meters from the dock.