Which answer describes the transformation of g(x)=log3(x+3)+1 from the parent function f(x)=log3x ?

It is the graph of f(x) shifted 1 unit right and 3 units down.

It is the graph of f(x) shifted 3 units right and 1 unit up.

It is the graph of f(x) shifted 3 units right and 1 unit down.

It is the graph of f(x) shifted 3 units left and 1 unit up.