Choose the best description of the transformations of LaTeX: f\left(x\right)=\frac{1}{x}\:\:into \:\:g\left(x\right)=\frac{1}{x-3}+1 f ( x ) = 1 x i n t o g ( x ) = 1 x − 3 + 1

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.