>< 3 Times Function Makes a Composition! ><

Algebra Level 5

A function defined from the positive integers to the positive integers satisfies \( 0 < f(a) < f(b) \) for all \( a < b \). In addition, this function \( f \) satisfies \( f(f(x))=3x \). Find \[ f(2015)+f(2014)+f(2013)-3 f(2012) .\]

×

Problem Loading...

Note Loading...

Set Loading...