fun-lim

Question: Domain of the function $f(x)={{\sin }^{-1}}(1+3x+2{{x}^{2}})$ is



1) $(-\infty ,\ \infty )$
2) $(-1,\ 1)$
3) $\left[ -\frac{3}{2},\ 0 \right]$
4) $\left( -\infty ,\ \frac{-1}{2} \right)\cup (2,\ \infty )$
Solution: Explanation: No Explanation
Functions

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