fun-lim

Question: If $\varphi (x)={{x}^{2}}+1$ and $\psi (x)={{3}^{x}}$, then $\varphi \{\psi (x)\}$ and $\psi \{\varphi (x)\}=$

1) ${{3}^{2x+1}},\ {{3}^{{{x}^{2}}+1}}$

2) ${{3}^{2x+1}},\ {{3}^{{{x}^{2}}}}+1$

3) ${{3}^{2x}}+1,\ {{3}^{{{x}^{2}}+1}}$

4) None of these

Solution:

Explanation: No Explanation

Functions

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