Is function f (x) + F (1) equal to function f (x + 1)

Is function f (x) + F (1) equal to function f (x + 1)

F (x) + F (1) is not equal to the function f (x + 1), for example, f (x) = x & # 178;
f(x)+f(1)=x²+1
F (x + 1) = (x + 1) &# 178;, obviously not equal to ah