Linear Functions Review

Which of the following functions is a linear function?

• rate of change

• maximum value

• x-intercept

• y-intercept

• rate of change

• maximum value

• x-intercept

• y-intercept

• 300
• 40
• -300

• -40

• 65
• 0

• 90

• 1

The following graph shows the amount of money Gwenn has in her bank account each week after starting her new job. What does the y-intercept represent on the graph.

• The initial amount of money Gwenn had in her bank account before starting her new job.
• The total amount of money Gwenn will have in her bank account at the end of the year
• The amount of money Gwenn has in her bank account after starting her new job
• The number of weeks Gwenn has been working at her new job

• The cost of insurance for the car
• The cost of gas for the car
• The cost for each mile the car is driven
• The one-time fee for the car rental

• The interest rate on the loan

• The amount of money Serenity pays on the loan each week

• The amount of money Serenity owes each week

• The total amount of the bank loan.

What is the slope of the linear function shown in the graph?