Linear Functions Review

What is the domain of this function?

• {–2, 0, 3, 5, 9}

• {–3.5, –1.5, 1.5, 3.5, 7.5}

What is the range of this function?

• {–2, 0, 3, 5, 9}

• {–3.5, –1.5, 1.5, 3.5, 7.5}

What is the independent variable in the graph shown?

• Dollars earned

• Hours worked

Choose the sentence that best describes the table.

• Kirk walked away from the water ride at a rate of 6 feet per second.

• Kirk was 42 feet away from the water ride and walked toward it at a rate of 7 feet per second.

• Kirk was 42 feet away from the water ride and walked toward it at a rate of 6 feet per second.

• Kirk walked away from the water ride at a rate of 7 feet per second.

Find f(4) for the following function:

• 6

• 24

• -6

• -24

What type of correlation does the scatterplot show?

• negative correlation

• positive correlation

• no correlation

Find the slope of the line of best fit.

• $4.80 per hour

• $24 per hour

• $0.60 per hour

• $1.67 per hour

Find the equation of the line of best fit.

Which of the graphs represents the line of best fit?

• A

• B

• C

Consider the graph shown, where time in seconds is

graphed along the x-axis and distance in feet is graphed along the y-axis. The graph shows Alisa’s distance from a pinball machine area as a function of time. Which table describes the graph?

• 
• 
•