Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
Circumference of the base is 
suppose 'r' is the radius of the cylinder

The volume of a cylinder is 

The domain is all the numbers of which the inputs can be put. Here, we have a graph, which simplifies things. We just need to look at the x-values of the graph, or the horizontal line. The graph extends both negatively and positively. Thus since the graph extends both ways (right and left) forever, the answer would be D, or all real numbers.
The numbers to complete the pattern are 125, 216, 343.
The complete pattern is 1, 8, 27, 64, 125, 216, 343.
Hope this helps.
Answer: the first one is exponential and the second one is function
AG and GB must be congruent and CG and GD must be congruent as well