PrecalculusMediumFunctions and Their Graphs ShareFunctions and Their Graphs · Medium problemFind the domain of f(x)=xx2−9f(x)=\dfrac{x}{x^2-9}f(x)=x2−9x.A(−∞,+3)∪(−3,3)∪(3,∞)(-\infty,+3)\cup(-3,3)\cup(3,\infty)(−∞,+3)∪(−3,3)∪(3,∞)B(−∞,−3)∪(−3,3)∪(4,∞)(-\infty,-3)\cup(-3,3)\cup(4,\infty)(−∞,−3)∪(−3,3)∪(4,∞)C(−∞,−6)∪(−3,3)∪(3,∞)(-\infty,-6)\cup(-3,3)\cup(3,\infty)(−∞,−6)∪(−3,3)∪(3,∞)D(−∞,−3)∪(−3,3)∪(3,∞)(-\infty,-3)\cup(-3,3)\cup(3,\infty)(−∞,−3)∪(−3,3)∪(3,∞)Check Show answer Walk through it step by step Practice more like this Review this concept