Questions in fun-lim

Select	Question
	The interval for which ${{\sin }^{-1}}\sqrt{x}+{{\cos }^{-1}}\sqrt{x}=\frac{\pi }{2}$ holds
	Function ${{\sin }^{-1}}\sqrt{x}$ is defined in the interval
	The function $f:R\to R$ is defined by $f(x)={{\cos }^{2}}x+{{\sin }^{4}}x$ for $x\in R$, then $f(R)=$
	If x is real, then value of the expression $\frac{{{x}^{2}}+14x+9}{{{x}^{2}}+2x+3}$ lies between
	For $\theta >\frac{\pi }{3}$, the value of $f(\theta )={{\sec }^{2}}\theta +{{\cos }^{2}}\theta $ always lies in the interval
	Which of the following function is even function
	If $f(x)=\log \frac{1+x}{1-x}$, then $f(x)$ is
	The function $f(x)=\sin \left( \log (x+\sqrt{{{x}^{2}}+1}) \right)$ is
	The function $f(x)=\log (x+\sqrt{{{x}^{2}}+1})$, is
	Which of the following function is invertible