Rizzygirl12941 Rizzygirl12941 27-12-2023 Mathematics contestada How is f(x,y)=x1 defined as a joint density function for 0A) f(x,y) is not a valid joint density functionB) f(x,y)=x1 for 0C) f(x,y)=y1 for 0D) f(x,y) is not defined for the given interval