Multiple Representations of Linear Equations

y=3,000x+12,000

What is the equation of the linear function?

A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week.

Which function can be used to find t, the total number of gallons of water in the tank after w weeks?

The graph of a linear function passes through the points (-1, -1/4) and (1, -3/4).

Write an equation that represents the function.

(a)  

A coach is ordering shirts for a team. The coach pays a one-time fee of $24. The coach also pays $8 for each shirt ordered. Write an equation that represents c, the total amount the coach pays in dollars when k shirts are ordered.

(a)  

Melissa is saving $25 that she earned for washing her mom's car. She earns $10 every week for doing chores, which she also saves. Which function can be used to find t, the amount of money Melissa will have saved at the end of n weeks of doing chores?