Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula el dominio de las siguientes funciones: [begin mathsize 14px style a right parenthesis space f left parenthesis x right parenthesis equals x squared plus 3 space space space b right parenthesis space f left parenthesis x right parenthesis equals space space fraction numerator x squared plus 3 over denominator x squared end fraction space space space space c right parenthesis space f left parenthesis x right parenthesis equals fraction numerator x minus 1 over denominator x plus 2 end fraction end style]
Right answer summary: The content can not be displayed.
Question state: todo