Question

Find a function f whose graph is a parabola with the given vertex and that passes through the given point.

vertex (−1, 9); point (−2, −8)

Answer 1

`~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{`