Ok, just did it for all of em and got the right answer (D)!
Although I see that picking small numbers and plugging would be a better strategy on test day, but wanted to understand the notation first :P
Thanks so much for your help!
Ah, I think I get it.
So to evaluate choice (A), I would do the following(?):
f(x) = 1 - x <-- set up provided by (A)
f(1 - x) = 1 - (1 - x) <--- plugging in (1-x) for x
f(1 - x) = x <--- restating
So now I have the two following statements:
f(x) = 1 - x
f(1 - x) = x
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Because it is the only definition that can fit the impliciations of the words being used, as well as what people perceive it to mean.
Otherwise, you can say that the computer I'm sitting at right now has free will.
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