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Concept explainers
Highway Design la order to build a highway, it is necessary to fill a section of a v alley where the grades (slopes) of the sides are 9% and 6% (see figure). The top of the filled region will have the shape of a parabolic arc that is tangent to the two slopes at the points A and B. The horizontal distances from A to the y axis and from R to the y axis are both 500 feet.
(a) Find the coordinates of A and A
(b) Hind a quadratic function
region.
(c) Construct a table giving the depths d of the fill for
(d) What will be the lowest point on the completed highway? Will it be directly over the point where the two hillsides come together'.'
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Chapter 4 Solutions
EBK CALCULUS: EARLY TRANSCENDENTAL FUNC
- Functions and Change: A Modeling Approach to Coll...AlgebraISBN:9781337111348Author:Bruce Crauder, Benny Evans, Alan NoellPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University
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