Identify Graphs from Word Problems

What is the rate of change of the cost of the dance lessons with respect to the number of lessons taken?

• Each dance lesson costs $10.00.

• The maximum amount a person will pay for dance lessons is $115.00

• The maximum number of dance lessons a person can take is 9.

• The registration fee to begin dance lessons is $12.00

The graph shows the cost of renting a moving truck, y, depending on the number of miles, x, the truck is driven.

What is the rate of change of the cost with respect to the number of miles driven?

• The daily fee of renting the truck is $40.00.

• The cost per mile to rent a truck is $0.50.

• The maximum amount of miles the truck can be driven is 24.5.

• The cost of renting a truck cannot exceed $53.00.

Categorize the slope of the line

• Positive

• Negative

• Zero

• Undefined

• Function
• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

• Function
• Not a Function

• Function

• Not a function

What is the y-intercept shown on the graph?

• (0, -2)

• (3, 0)

• (0, 3)

• None of these.

What is the equation for the situation? A holiday meal catered by Chipotle costs $12.50 a person plus a delivery fee of $30.

• y = 12.5x + 30

• y = 12.5 + 30

• y = 12.5 + 30x

Choose the best explanation to represent the data in the graph.

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute