Answer:
113.1
Step-by-step explanation:
Volume of sphere =
× π × r²
Volume of sphere =
× π × 3²
Volume of sphere =
× π × 9
Volume of sphere =
× 9 π
Volume of sphere = 113.1
Sinuar and radius of 16 are true
16 or B. Because 128 divided by 8 is 16
Your question is a little ambiguous, but I am assuming that you meant to say the function 
Thus, I am solving your question based on assuming the function such as

But, it would still clear your concept, no matter what the function is.
Answer:
we conclude that

The graph is also attached.
Step-by-step explanation:
Given the function

We know that the domain of a function is the set of input or argument values for which the function is real and defined.
As the function has no undefined points nor domain constraints.
Thus, the domain is

Therefore, we conclude that

The graph is also attached.