If r (ac ) = 6 -2 2 ... ...then the graph of r (a) is a parabola that opens V and is V the graph of if (ac) = 202. downward to the right to the left upwardIf r (ac) = 6 .2 2 ...then the graph of r (a) is a parabola that opens V and is V the graph of f (ac) = 202. more narrow than the same width as wider than...and has a vertex at: E (enter the vertex as an ordered pair)