Question

10.已知f(x)是R上的偶函数，g(x)是R上的奇函数，且g(x)=f(x-1)，若 f(2)=？

Answer 1

f(2)=f(-2) = f(-1-1) = g(-1) =-g(1) = -f(2-1) = -f(1) = -f(-1) = -f(0-1) = -g(0)=0