Functions

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Functions

by mlamaiti2003 » Fri Oct 31, 2008 12:46 pm
Which of the following functions 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 (correct)
E. x/1-x


Can you please show how this can be solved in less than 90 seconds? It took me 4 minutes????

Thank you
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