2. The surface area S(r) in square units of a cylinder with a volume of 18 cubic units is a function of its radius r in units where S(r) = 2rr² + 30. What is the surface area of a cylinder with a volume of 18 cubic units and a radius of 3 units?
2. The surface area S(r) in square units of a cylinder with a volume of 18 cubic units is a function of its radius r in units where S(r) = 2rr² + 30. What is the surface area of a cylinder with a volume of 18 cubic units and a radius of 3 units?
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
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