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15 A bridge has a parabolic span as shown, w? with equation d = - + 200 800 where d is the depth of the arch in metres. Show that the quadratic function is even. Find the depth of the arch from the top of the span. Find the total width of the span. a

15 A bridge has a parabolic span as shown, w? with equation d = - + 200 800 where d is the depth of the arch in metres. Show that the quadratic function is even. Find the depth of the arch from the top of the span. Find the total width of the span. a

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
Problem 10OE
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Question
15 A bridge has a parabolic span as shown, d l with equation d = - w? + 200 800 where d is the depth of the arch in metres. Show that the quadratic function is even. Find the depth of the arch from the Find the total width of the span. a top of the span. d Find the depth of the arch at a point 10 m from its widest span. e Find the width across the span at a depth of 100 m.
Transcribed Image Text:15 A bridge has a parabolic span as shown, d l with equation d = - w? + 200 800 where d is the depth of the arch in metres. Show that the quadratic function is even. Find the depth of the arch from the Find the total width of the span. a top of the span. d Find the depth of the arch at a point 10 m from its widest span. e Find the width across the span at a depth of 100 m.
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