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The underside of a bridge is an arch that can be approximated by the relation y = -0.1x² + 10, where y is the height, in metres, above the ground and x is the width, in metres, from the centre of the bridge. a) Graph the quadratic relation. b) Describe the shape of the arch. c) How tall and wide is the arch?

The underside of a bridge is an arch that can be approximated by the relation y = -0.1x² + 10, where y is the height, in metres, above the ground and x is the width, in metres, from the centre of the bridge. a) Graph the quadratic relation. b) Describe the shape of the arch. c) How tall and wide is the arch?

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.1: Quadratic Functions
Problem 105E
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2. The underside of a bridge is an arch that can be approximated by the relation y = -0.1x² + 10, where y is the height, in metres, above the ground and x is the width, in metres, from the centre of 5. the bridge. a) Graph the quadratic relation. b) Describe the shape of the arch. c) How tall and wide is the arch?
Transcribed Image Text:2. The underside of a bridge is an arch that can be approximated by the relation y = -0.1x² + 10, where y is the height, in metres, above the ground and x is the width, in metres, from the centre of 5. the bridge. a) Graph the quadratic relation. b) Describe the shape of the arch. c) How tall and wide is the arch?
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