Answer:

Step-by-step explanation:
we have


we know that
The function composition is equal to
(r ∘ s )(x) = r(s(x))
In the function r(x) substitute the variable x by the function s(x)
so

For x=3
substitute the value of x=3 in the function composition




Answer:
80cause there are 80 sides
Okay so the answer would be
Answer:
Choice D
Step-by-step explanation:
The Cavalieri's principle states that if two or more solids have identical cross-sectional area as well as height, then the solids will have equal volume.
Therefore, the volumes of the cylinders are the same