Linear Function Models

Write an equation that models the linear relationships in the table

• the monthly payment amount

• the number of months to pay off the balance

• the number of pieces of furniture bought

• the amount of the down payment

This graph shows the amount of weight Lucy lost over a 5-week period. What does the slope of this graph represent?

• number of weeks

• weeks per pound lost

• pounds lost per week

• maximum number of pounds lost

Write an equation that models the linear relationship in the graph.

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p

• c = 3.5p

• p = .29c

• p = 3.5c

• A

• B

• C

• D

Emerson has $120. Each week, he saves an additional $15. Write a function, f(x) to model the total amount of money Emerson has after x weeks. f(x) = _________________

Mathematical Equivalence

ON

• A

• B

• C

• D

• A

• B

• C

• D

Based on the table, which function models this situation?