CAT Quantitative Ability Questions | CAT Functions questions
CAT/1999
Question . 55
If x & y are real numbers, the functions are defined as f (x, y) = | x + y |,F (x, y) = –f (x, y) and G (x, y) = –F (x, y) . Now with the help of this information answer the following questions.
Which of the following will be necessarily true?
A : G (f(x, y), F (x, y)) > F (f(x, y), G (x, y))B : F (F (x, y), F (x, y)) = F (G(x, y), G(x, y))C : F (G(x, y), (x + y)) ≠ G(F (x, y), (x + y))D : F (f (x, y), f (x, y)) = G (F(x, y), f(x, y))
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