If \[\varphi (x)={{x}^{2}}+1\] and \[\psi (x)={{3}^{x}}\], then \[\varphi \{\psi (x)\}\] and \[\psi \{\varphi (x)\}=\]

\[{{3}^{2x+1}},\ {{3}^{{{x}^{2}}+1}}\]

\[{{3}^{2x+1}},\ {{3}^{{{x}^{2}}}}+1\]

\[{{3}^{2x}}+1,\ {{3}^{{{x}^{2}}+1}}\]

If \[\varphi (x)={{x}^{2}}+1\] and \[\psi (x)={{3}^{x}}\], then \[\var

1.	If \[\varphi (x)={{x}^{2}}+1\] and \[\psi (x)={{3}^{x}}\], then \[\varphi \{\psi (x)\}\] and \[\psi \{\varphi (x)\}=\]
A.	\[{{3}^{2x+1}},\ {{3}^{{{x}^{2}}+1}}\]
B.	\[{{3}^{2x+1}},\ {{3}^{{{x}^{2}}}}+1\]
C.	\[{{3}^{2x}}+1,\ {{3}^{{{x}^{2}}+1}}\]
D.	None of these
Answer» D. None of these

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If \[\varphi (x)={{x}^{2}}+1\] and \[\psi (x)={{3}^{x}}\], then \[\varphi \{\psi (x)\}\] and \[\psi \{\varphi (x)\}=\]

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