The answer would be 4(x^6+x-3)
Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Vertex = (3, 5)
focus = (3, 7)
directrix is y = 3