Concept explainers
Gateway Arch The shape of the Gateway Arch in St. Louis (with a height and a base length of 630 ft) is modeled by the function y = −630 cosh (x/239.2) + 1260, where |x| ≤ 315, and x and y are measured in feet (see figure). The function cosh x is the hyperbolic cosine, defined by
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Calculus: Early Transcendentals (2nd Edition)
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- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage