MathematicsMedium179×since 2002Q4153Let f : R →\to→ R be a continuous function such that f(3x)−f(x)=xf(3x) - f(x) = xf(3x)−f(x)=x. If f(8)=7f(8) = 7f(8)=7, then f(14)f(14)f(14) is equal to :A4B10C11D16Check answerSkip