Linear Functions Answers

Which equation is represented by the graph below?

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)?

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?

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

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?

If f(x) is a linear function, which statement must be true?

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