Pregunta: Let h be the composite function h(x,y)=g(f(x,y)) where g(t)=t21+t and f(x,y)=x+2y−1. Find the largest possible domain such that h is continuous. {(x,y)∣y≥−2x+21}{(x,y)∣x>0,y>0}{(x,y)∣x≥0,y≥0}{(x,y)∣y>−2x+21}