Arch

By: Rebecca Burak

Arched Roof

The rafters at the Coppell Public Library are all parabolas in order to support the roof.
Big image
Big image

Answers to the Questions

1. The spot/root where the rafter leaves the beam on the wall to support the roof.

2. The spot/root where our rafter hits the beam on the wall of the library.

3. One unit high

4. Five units, but unlike the water spout our vertex lies on the y-axis so it is at a distance of 0 units but 5 units from the root.

5. Domain: [-5, 5]

6. Range: [0, 1]