No idea on where to even begin!
For which of the following functions f is f(x)=f(1-x) for all x?
a. f(x) = 1-x
b. f(x) = 1-x^2
c. f(x) = x^2 - (1-x)^2
d. f(x) = x^2(1-x)^2
e. f(x) = x / (1-x)
swarbhanu_handique wrote:f(x) = x^2(1-x)^2
f(1-x) = (1-x)^2(x)^2
= f(x)