Answer & Step-by-step explanation:
The domain of a set of points refers to the input, also known as the x values. To find the domain, record all the x values given (x,y):

:Done
**The range is the output, aka the y values.
Answer:

Step-by-step explanation:
we know that
The volume of the composite figure is equal to the volume of a semi-sphere plus the volume of the cone
so

we have


substitute



The last statement is true
A because all of the variables stay constant