Question

You live near a bridge that goes over a river. The underneath side of the bridge is an arch that can be modeled with the function y=-0.000407x^2+0.658x where x and y are in feet.
1. How high abover the river is the bridge (the top of the arch)?
2. How long is the section of the bridge above the arch?

Answer 1

265.940838 is the height and 1618.86322 is the length

Answer 2

How did you get that??

Answer 3

y=-0.000407x^2+0.658x

Answer 4

Does that answer your question?

Answer 5

Did you graph it or something???

Answer 6

Yes.

Answer 7

Does the answer help you or not?

Answer 8

How exactly did you graph that? I'm not understanding...

Answer 9

Using Google, type in or copy and paste in y=-0.000407x^2+0.658x and click search.

Answer 10

Oh... Okay. Thank you.

Answer 11

You are welcome.

Answer 12

And thank you for the medal.

Answer 13

No problem. (:

Answer 14

:)