Let a be a positive real value. a right circular cylinder has radius 3ax cm, and the height of the cylinder is of the radius. Write a function of x called V (x) that describes the volume of the cylinder in cubic centimeters. Write a function of x called S (x) that describes the surface area of the cylinder in square centimeters. a. Draw a picture of the cylinder, labeling the dimensions. b. Write the function that describes the volume. c. Write the function that describes the surface area.

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