The domain of the function \[f(x)=lo{{g}_{e}}\{sgn(9-{{x}^{2}})\}+\sqrt{{{[x]}^{3}}-4[x]}\] (where [.] represents the greatest integer function) is

\[\left[ -4,1 \right)\cup \left[ 2,3 \right)\]

\[\left[ -2,1 \right)\cup \left[ 2,3 \right)\]

\[\left[ 4,1 \right)\cup \left[ 2,3 \right)\]

\[\left[ 2,1 \right)\cup \left[ 2,3 \right)\]

The domain of the function \[f(x)=lo{{g}_{e}}\{sgn(9-{{x}^{2}})\}+\sqr

1.	The domain of the function \[f(x)=lo{{g}_{e}}\{sgn(9-{{x}^{2}})\}+\sqrt{{{[x]}^{3}}-4[x]}\] (where [.] represents the greatest integer function) is
A.	\[\left[ -2,1 \right)\cup \left[ 2,3 \right)\]
B.	\[\left[ -4,1 \right)\cup \left[ 2,3 \right)\]
C.	\[\left[ 4,1 \right)\cup \left[ 2,3 \right)\]
D.	\[\left[ 2,1 \right)\cup \left[ 2,3 \right)\]
Answer» B. \[\left[ -4,1 \right)\cup \left[ 2,3 \right)\]

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The domain of the function \[f(x)=lo{{g}_{e}}\{sgn(9-{{x}^{2}})\}+\sqrt{{{[x]}^{3}}-4[x]}\] (where [.] represents the greatest integer function) is

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