Function Operation Word Problems

Annie put $70 in her savings account and will add $12 per week. What is the output (or dependent variable)?

• the $70 she started with

• the $12 per week

• the total amount in her savings account

There were 9 roses in the vase. Alyssa cut some more roses from her flower garden. There are now 14 roses in the vase. How many roses did she cut?

Name the operation to solve this question

• Addition (+)

• Subtraction (-)

• Multiplication (x)

• Division (÷)

Jessica is baking a cake. The recipe calls for 7 cups of flour. She already put in 3 cups. How many more cups does she need to add?

Name the operation to solve this question

• Addition (+)

• Subtraction (-)

• Multiplication (x)

• Division (÷)

Last week Keith had 14 dollars. He washed cars over the weekend and now has 80 dollars. How much money did he make washing cars?

Name the operation to solve this question

• Addition (+)

• Subtraction (-)

• Multiplication (x)

• Division (÷)

Find f(x) - g(x)

• x² - 7x + 2

• -x² + 7x + 2

• -x² - 7x + 2

• -x² - 7x + 4

Find f(x) - g(x)

• 2x² + 8x - 8

• 3x² + 8x - 8

• 2x² + 8x + 8

• 2x² + 4x - 8

Benny received 80 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had 33 dollars left over, how much did he spend on the baseball gear?

Name the operation to solve this question

• Addition (+)

• Subtraction (-)

• Multiplication (x)

• Division (÷)

What is the initial value from the table?

• 550

• 0

• 250

• 400

Rufus collected 100 pounds of aluminum cans to recycle. He plans to collect an additional 25 pounds each week. Write the equation for the total pounds, P, of aluminum cans after w weeks. How long will it take Rufus to collect 400 pounds of cans?

• P = 100w + 25

• 12

• 20

• P = 25w + 100