Bens4vcobra wrote:For which function 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/x-1
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