Question

ПОМОГИТЕ!!!!!!! РЕШИТЕ ЗАДАНИЕ!!!!!!

Answer 1

$\displaystyle\bf\\T=2 \ \ \ ; \ \ \ f(0)=1\\\\f(0)=f(2)=f(4)=f(6)=1\\\\f(6)=1\\\\5f(6)=5\cdot 1=5\\\\\boxed{5f(6)=5}$