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ITMC 2026 Grade 7 National Preliminary sample-r1 Question 13

ITMC · ITMC 2026 Grade 7 National Preliminary sample-r1

Question 13

If $f(x)=4x$, find $f(x+1)-f(x-1)$.
  1. $4f(x)$
  2. $f(4x)$
  3. $f(x)$
  4. 8
  5. 12