A lamp has the shape of a parabola when viewed from the side. The light source (which is at the focus) is 3 centimeters from the bottom of the lamp and the lamp is 12 centimeters deep. How wide is the lamp? ? cm (-a, 12) a, 12) ? cm |(0,3) 12 cm 3 cm Light .. .... (0, 0) source 3 cm 12 cm CIm

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.6: Quadratic Functions
Problem 51E
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Word problem involving a parabola
A lamp has the shape of a parabola when viewed from the side. The light source (which is at the focus) is 3 centimeters from the bottom of the lamp and the
lamp is 12 centimeters deep. How wide is the lamp?
? cm
(-a, 12)
la, 12)
? cm
(0, 3)
12 cm
3 ст
Light
(0,0)
3 cm
source
12 cm
Cm
Explanation
Check
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Transcribed Image Text:Word problem involving a parabola A lamp has the shape of a parabola when viewed from the side. The light source (which is at the focus) is 3 centimeters from the bottom of the lamp and the lamp is 12 centimeters deep. How wide is the lamp? ? cm (-a, 12) la, 12) ? cm (0, 3) 12 cm 3 ст Light (0,0) 3 cm source 12 cm Cm Explanation Check Accessibile O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center 1080· acer
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