Two independent variables that can affect the cost of the supplies are:
- x = number of pencils bought.
- y = number of notebooks bought.
What is an independent variable?
An independent variable is a variable that can change freely.
For example in the given situation, we could define the independent variables:
- x = number of pencils bought.
- y = number of notebooks bought.
Notice that these variables are independent because these don't depend on each other.
Then if each pencil costs A, and each notebook costs B, the cost function will be:
C(x, y) = A*x + B*y
So there you have two independent variables that affect the cost of the supplies.
If you want to learn more about independent variables, you can read:
https://brainly.com/question/82796
