In mathematics, a power function is a function of the form f(x) = cxa, where c and a are constant real numbers and x is a variable.
Power functions are a special case of power law relationships, which appear throughout mathematics and statistics.
Famous quotes containing the words power and/or function:
“The open frontier, the hardships of homesteading from scratch, the wealth of natural resources, the whole vast challenge of a continent waiting to be exploited, combined to produce a prevailing materialism and an American drive bent as much, if not more, on money, property, and power than was true of the Old World from which we had fled.”
—Barbara Tuchman (1912–1989)
“Morality and its victim, the mother—what a terrible picture! Is there indeed anything more terrible, more criminal, than our glorified sacred function of motherhood?”
—Emma Goldman (1869–1940)