Find the vertex of the parabola.
f (x) = x²-6 x + 13
a.( 4, 0)
b.( 3, 4)
c.(0, 3)
d.( 4, 3)
f (x) = x²-6 x + 13
a.( 4, 0)
b.( 3, 4)
c.(0, 3)
d.( 4, 3)