The roof over the stage of an open air theater at a theme
Chapter 14, Problem 46(choose chapter or problem)
The roof over the stage of an open-air theater at a theme park is modeled by
\(f(x, y)=25\left[1+e^{-\left(x^{2}+y^{2}\right) / 1000} \cos ^{2}\left(\frac{x^{2}+y^{2}}{1000}\right)\right]\)
where the stage is a semicircle bounded by the graphs of \(y=\sqrt{50^{2}-x^{2}}\) and y = 0.
(a) Use a computer algebra system to graph the surface.
(b) Use a computer algebra system to approximate the number of square feet of roofing required to cover the surface.
Text Transcription:
f(x, y) = 25 [1 + e^{-(x^2 + y^2) / 1000} cos^2 (x^2 + y^2 / 1000)]
y = sqrt{50^2 - x^2}
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