The constraints of a problem are listed below. What are the vertices of the feasible region? x+y s7
x-2y5-2
x20
y20
(0,0), (0, 1), (4,3), (7,0)
(0, 1), (4,3), (7,0)
(0, 1), (0,7), (2,5)
(0, 1), (0,7), (4,3)

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.