For all real values of x, increasing function f(x) is [MP PET 1996]

1.	For all real values of x, increasing function f(x) is [MP PET 1996]
A.	\[{{x}^{-1}}\]
B.	\[{{x}^{2}}\]
C.	\[{{x}^{3}}\]
D.	\[{{x}^{4}}\]
Answer» D. \[{{x}^{4}}\]

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For all real values of x, increasing function f(x) is [MP PET 1996]

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