Im trying to graph f(x,y)=x+2y-2 and g(x,y)x^2+4y^2-4 on the same graph

I have been having difficulty understanding the process of graphing while learning matlab this season. I need help simply just plotting them.

Answer 1

[Sambit Supriya Dash]

fsurf(@(x,y) x+(2*y)-2)
hold on
fsurf(@(x,y) (x^2)+(4*(y^2))-4)
hold off