No, it is not a function.
Since all the lines have been drawn in the grid line do not have any connection between them even a point in common.
I hope this has been useful for you.
Answer:
Thank you so much. She has even deleted one of my questions before. I'll take care and beware.
Answer:
or 
Step-by-step explanation:
step 1
Find the volume of the rectangular prism
we know that
The volume of a rectangular prism is

In this problem we have



substitute in the formula

step 2
Find the difference between the volume of the prism and the volume of the storage container


If i'm correct. it should be $10,022.40
4x=-7 is the answer because "the number" should be the variable