Answer and explanation:
Possible domain of function includes from number one person attending to number 5 person attending
Find attached
To the nearest whole number it would be 1
The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2.
So the answer is b(2a+b)