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[" 3.(c) "k>-5," (d) None of these."],["...

[" 3.(c) "k>-5," (d) None of these."],[" Let "f(x)=|x-1|" ,Then ",(1983-1" Mark")],[" (a) "f(x^(2))=(f(x))^(2)," (b) "f(x+y)=f(x)+f(y)],[" (c) "f(|x|)=|f(x)|," (d) None of these "]

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