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Let f(x) = |x-2|, where x is a real numb...

Let f(x) = |x-2|, where x is a real number. Which one of the following is true?

A

f is periodic

B

f(x+y) = f(X) +f(y)

C

f is an odd function

D

f is not a 1-1 function

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  11. If f(x) = (x+1)/(x+2) and g(x) = x^2, then find fog

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  12. If f(x) = (x+1)/(x+2) and g(x) = x^2, then find gof.

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