Twelve More Every Four Steps
Difficulty: Easy · Topics: Algebra, Functions, Properties of Functions
Har to‘rt qadamda o‘n ikkiga ko‘p
f:mathbbZ→mathbbZ satisfies f(n+4)=f(n)+12 for every integer n, and f(3)=7.
Find f(31).
f:mathbbZ→mathbbZ funksiya har bir n butun son uchun f(n+4)=f(n)+12 ni qanoatlantiradi va f(3)=7.
f(31) ni toping.