Posted by LEE on Saturday, October 20, 2012 at 3:23pm.
You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above the arch?
Would appreciate if someone could help me..

algebra  LEE, Sunday, October 21, 2012 at 10:18pm
Could someone please explain this question to me.

algebra  Rach, Wednesday, October 14, 2015 at 3:42pm
Answer for this QC fro CA students.
1. A
2. C
3. A
4. B
5. B

algebra  Toriel, Friday, October 21, 2016 at 1:50pm
The answer is: The bridge is about 381.16 ft above the river, and the length of the bridge above the arch is 1,791.58
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