Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2014 — Grade 9 — semifinal Question 1

VTMO · VTMO 2014 — Grade 9 — semifinal

Question 1

Given $f \left(4 x + 3\right) = 2 x + 1$, find $f \left(- 9\right)$.
  1. $- 9$
  2. $5$
  3. $- 5$
  4. $9$
  5. $3$