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AMO · 2027 · Grades 8-9 · Self-study SET 23 Question 1

AMO

Question 1

If $h(x)=2+\sqrt{x}$ and $f(h(x))=7+5\sqrt{x}+x$, find $f(3)$.
  1. 13
  2. $10+5\sqrt3$
  3. 8
  4. 10
  5. 12