Business Calculus
(−4,0)(-4,0)
(5,∞)(5,\(\infty\))
(−4,0)∪(5,∞)(-4, 0) \(\cup\) (5, \(\infty\))(−4,0)∪(5,∞)
(−5,0)∪(4,∞)(-5,0)\(\cup\)(4,\(\infty\))