Please see the graph.
Work Step by Step
The graph was made using graphing software. $y=-x^2+6x-1$ vertex: $x=-b/2a$ $x=-6/2*-1$ $x=-6/-2 = 3$ $y=-x^2+6x-1$ $y=-3^2+6*3-1$ $y=-9+18-1$ $y=8$
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