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If f(x)=sqrt(x+3) and g(x)=x^2+1 be two ...

If `f(x)=sqrt(x+3)` and `g(x)=x^2+1` be two real functions, then find `fog` and `gof` .

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`f(x)=sqrtx+3`
For domain,` x+3 ge!= 0`
` Rightarrow x ! =-3`
Domain o`f f=[-3, infty)`
Range of` f=(-3, infty)`
...
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