Mathematics, 10.10.2021 23:00 Merida06

Write the function f(x)=x^2- 21x in the form f(x) = a(x - h)2 + k. Identify the vertex.

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Write the function f(x)=x^2- 21x in the form f(x) = a(x - h)2 + k. Identify the vertex....