The formula for an area of a circle is pi•r^2.
The diameter is 16, so the radius (half of the diameter) is 8. plug that into the formula and you get 64pi, or roughly 200.96
Answer:

Step-by-step explanation:
Given:
--- Position
--- Change
Required
Find the new position
The new position is calculated as:






Answer: No
Explanation: The relation is not a function because there is more than one output (y) for a single input (x).
A) nth term is n^2 + 1
b) nth term is (n - 1)^2