Which of the following is the domain of ?

MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra

Problem

Which of the following is the domain of p(x)=9−2xx2−9p(x)=\dfrac{\sqrt{9-2x}}{x^{2}-9}? (a) (−∞,4.5](-\infty,4.5] (b) (−∞,−3)∪(−3,3)∪(3,4.5)(-\infty,-3)\cup(-3,3)\cup(3,4.5) (c) (−∞,−3)∪(−3,3)∪(3,4.5](-\infty,-3)\cup(-3,3)\cup(3,4.5] (d) (−∞,−3]∪[3,4.5)(-\infty,-3]\cup[3,4.5)

Related theory

Browse the problem library