Rewrite the quadratic function in standard form by completing the square.f(x) = x2 + 3x + 1

A. f(x) = (x + 3)3 - 9
B. f(x) = 2 + 
C. f(x) = (x - 3)3 - 9
D. f(x) = 2 - 

Answer: D

Mathematics

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