Which equation is represented on the graph? y = x + 2 y = 3x y=x−1 y = x the figure shows a coordinate graph. the x-axis extends from 0 to 10. the y-axis extends from 0 to 10. a ray is drawn through points (0, 0), (2, 2), (4, 4), (6, 6), (8, 8), and (10, 10).

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.