[질문] f(2+x)=f(-x)이거랑f(x-1)=f(3-x)이거무슨뜻이에??

말그대로,f라는함수에대해서,f(2+x)의값과f(-x)의값이같다는말예요.뒤의것도마찬가지죠,f(2+x)=f(-x)와f(x-1)=f(3-x)이모양은f(x)로같아도같은함수가아니어도됨.