Business Calculus
Decreases: (−∞,0)∪(0,∞)(-\infty,0)\cup(0,\infty)
Increases: None
Decreases: None
Increases: (−∞,0)∪(0,∞)(-\infty,0)\cup(0,\infty)
Increases: (−∞,∞)\left(-\infty,\infty\right)