Answer:
The total cost depends on the weight of the package
Step-by-step explanation:
When looking at a graph, know that the x-axis is the independent variable. It can change, but is independent of other factors.
The y-axis is the dependent variable, which changes based on the independent variable.
-14.5
Basically, -(7.5+4) is -11.5 and then combine -3 with -11.5 which yields -14.5
