Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: El domini de la funció definida per [f left parenthesis x right parenthesis equals # f r a k f u n open parentheses # f r a k close parentheses] és:: [# resul4]; [# resul1]; [# resul3]; [# resul2]
Right answer summary: [# resul1]
Question state: todo