Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: _La función [f left parenthesis x right parenthesis equals # f] es decreciente si y sólo si:_: x∈[-2#k3oo_[; x∈#q1infinito_negativo,-2]; x#pertReal-]-1,-1/3[; x∈]-1,-1/3[
Right answer summary: x∈]-1,-1/3[
Question state: todo