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2009 AMC 12A Question 9

AMC12 · 2009 AMC 12A

Question 9

Suppose that $f(x + 3) = 3x^2 + 7x + 4$ and $f(x) = ax^2 + bx + c.$ What is $a + b + c?$
  1. $-1$
  2. $0$
  3. $1$
  4. $2$
  5. $3$