−4<x<10-4<x<10−4<x<10
x∈[−4,10]x \in[-4,10]x∈[−4,10]
x∈{−4,10}x \in\{-4,10\}x∈{−4,10}
−10≤x≤4-10 \leq x \leq 4−10≤x≤4