Under what operations are the set of integers closed? explain your answer.

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d

this "question" looks more like a project is there any other info you can give me about this. it could be too complex for someone else to do on this website