Business Calculus
Symmetric about the yyy-axis, increasing for (−∞,0) (-\infty, 0) (−∞,0) and decreasing for (0,∞) (0, \infty) (0,∞)
Symmetric about the yyy-axis, increasing for (0,∞) (0, \infty) (0,∞) and decreasing for (−∞,0) (-\infty, 0) (−∞,0)
Symmetric about the origin, increasing for (−∞,0) (-\infty, 0) (−∞,0) and decreasing for (0,∞) (0, \infty) (0,∞)
Symmetric about the origin, increasing for (−∞,0)∪(0,∞)(-\infty,0)\cup(0,\infty)