2, 3, 5, 1000 any number that is larger than 1.
The volume of a cylinder is given by

Let
and 
The new volume becomes

So, the new volume is 8 times the original volume. In fact, volume scales linearly with the height and quadratically with the radius.
Answer:
2030
Step-by-step explanation:
the graph starts to decline 16 years after 2014 so 2014 + 16 = 2030
Domain: all real numbers
Range: y>-3