Given f(x) = x +1; g(x) = x − 2; h(x) = 2/x perform the indicated operations and supply the domain of the resulting function. f +g  

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`f(x)=x+1`

`g(x)=x-2`

`(f+g)(x)=x+1+x-2=2x-1`

This function is defined everywhere, in other words 

Domain=`(-oo,oo)`

Range=`(-oo,oo)`

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