Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Assenyala quina de les següents expressions correspon a la gràfica #q : f(x)=x^2-9·x+20; f(x)=4·x+5; f(x)=x^3-13·x^2+56·x-80
Right answer summary: f(x)=x^2-9·x+20
Question state: todo