Rewrite the quadratic function ƒ(x) = x2 – 4x + 6 in standard form and identify the vertex of its graph. a. ƒ(x) = (x – 2)2 + 2; V: (2, 2)  b. ƒ(x) = (x – 4)2 + 6; V: (4, 6) c.ƒ(x) = (x + 2)2 + 2; V: (–2, 2) d.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Rewrite the quadratic function ƒ(x) = x2 – 4x + 6 in standard form and identify the vertex of its graph.
a. ƒ(x) = (x – 2)2 + 2; V: (2, 2) 
b. ƒ(x) = (x – 4)2 + 6; V: (4, 6)
c.ƒ(x) = (x + 2)2 + 2; V: (–2, 2)
d.
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