Linear Functions Answers

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?

Which table shows a linear function?

Which equation is represented by the graph below?

Which function is graphed on the coordinate plane 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?

If f(x) is a linear function, what is the value of n?xf(x)–4–25–1–10n20

Tickets for the school play sell for $4 each. Which graph shows the relationship between the number of tickets sold (x) and the total income from the tickets (y)?

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?

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