Objective function, 571
Oblique asymptotes, of rational functions, 395–396
Octaves, 495
Odd degree, power functions of, 334–335
Odd functions, 239, 240–241
Ohm, Georg Simon, 539
Ohm’s law, 539
Oil spills, area of, 281, 288–289
One-to-one functions, 294–296
horizontal-line test for, 295–296
range of, 300–301
One-to-one property, of logarithms, 481
Open interval,
Operations, order of, 11–12
Opposites, 13
Optimal solution, 571
Optimization, 570–571
Ordered pairs, 175
functions defined by, 217
graph of, 176
Order of operations, 11–12
Origin, 175