Answer:
Explanation:
Step one:
given data
we are told you earn $1200
the linear function for the cost is expressed as
y=1200x-----------------1
Step two:
We want to bring out the following information
Independent: The number of screens which is x
Dependent: The total revenue which is y
Function: y=1200x
What is a dependent variable?
This is a variable that rely on the value of other terms
What is a independent variable?
this is a variable that does not rely on other terns