Range of the function $$f(x)=3+2^x+4^x$$ is

The combined equation of a pair of lines passing through the origin and inclined at $$60^{\circ}$$ and $$30=$$ respectively with $$x$$-axis is

$$\int e^{\left(e^x+x\right)} d x=$$

If $$z=x+iy$$ satisfies the condition $$|z+1|=1$$, then $$z$$ lies on the