Linear Functions Answers

Which graph represents y = –2x?

Which function is graphed on the coordinate plane below?

What is the slope of the equation ?

If f(x) = 4x + 12 is graphed on a coordinate plane, what is the y-intercept of the graph?

If f(x) is a linear function and the domain of f(x) is the set of all real numbers, which statement cannot be true?

Which equation is represented by the graph below?

One manufacturer boxes screws so that each box weighs the same no matter what size the screws are. The graph shows the amount of allowed weight remaining in a given shipment depending on the number of boxes of screws already included. What does the y-intercept represent in this situation?

The graph of a function must be linear if it has what characteristic?

Which graph shows a linear function?

The cost to rent skis at a local sporting goods store is $15 plus $20 per day. Which equation models the relationship between the total cost to rent, c, and the length of the rental in days, d?