Expression 1: "g" left parenthesis, "x" , right parenthesis equals "e" Superscript, negative "x" squared , Baseline plus "e" Superscript, left parenthesis, negative "x" squared plus 2 , right parenthesis , Baselinegx=e−x2+e−x2+2
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Expression 2: "f" left parenthesis, "x" , right parenthesis equals "e" Superscript, "x" cubed , Baseline plus sine left parenthesis, "x" , right parenthesisfx=ex3+sinx