Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: State the domain of the rational function. f(x) = : (-∞, - 1) (- 1, 1) (1, ∞); (-∞, 9) (9, ∞); (-∞, ∞); (-∞, -9) (-9, ∞)
Right answer summary: (-∞, ∞)
Question state: todo