Math 8 Functions

Last updated over 5 years ago
8 questions
1

Jada earns $7 per hour mowing her neighbor's lawn. Name the two quantatites that are in this relationship.

1

Using the same scenario: Jada earns $7 per hour mowing her neighbor's lawn. What is the independent variable?

1

Using the same scenario: Jada earns $7 per hour mowing her neighbor's lawn. What is the dependent variable?

1

Using the same scenario: Jada earns $7 per hour mowing her neighbor's lawn. Write the equation to represnt this fucntion. Use h for number of hours, and m for money earned.

1

Using the same scenario: Jada earns $7 per hour mowing her neighbor's lawn. Draw the graph of the function. Label at least two points with input-output pairs.

1

Noah is depositing money in his account every week to save money. The graph below shows the amount he has saved as a function of time since he opened his account.


Elena opened an account the same day as Noah. The amount of money E in her account is given by the function E = 8w + 60 , where is the number of weeks since the account was opened.

Who started out with more money in their account? Explain how you know.

1

Using the same scenario from above:

Noah is depositing money in his account every week to save money. The graph below shows the amount he has saved as a function of time since he opened his account.


Elena opened an account the same day as Noah. The amount of money E in her account is given by the function E = 8w + 60 , where is the number of weeks since the account was opened.

Who is saving money at a faster rate? Explain how you know.

1

Using the same scenario from above:

Noah is depositing money in his account every week to save money. The graph below shows the amount he has saved as a function of time since he opened his account.


Elena opened an account the same day as Noah. The amount of money E in her account is given by the function E = 8w + 60 , where is the number of weeks since the account was opened.

How much will Noah save over the course of a year if he does not make any withdrawals? How long will it take Elena to save that much?