After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. You notice the
rainbow is the shape of a parabola.
The equation for this parabola is y = -x^2 + 19.
Please solve all parts of the problem accurately!

After a dreary day of rain the sun peeks through the clouds and a rainbow forms You notice the rainbow is the shape of a parabola The equation for this parabola class=