Determine the set of all real xxx such that x2−9<x+1\sqrt{x^2 - 9} < x + 1x2−9<x+1.
x≥3x \geq 3x≥3
x≥4x \geq 4x≥4
x≤−3x \leq -3x≤−3 or x≥3x \geq 3x≥3
x∈(3,4)x \in (3, 4)x∈(3,4)