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Linear function

Linear function (The line here is generic. It is slanted so m≠0. See examples with actual values for m and b below.)

In basic mathematics, a linear function is a function whose graph is a straight line in 2-dimensions (2D, see images).[1] An example is: y=2x–1. In higher mathematics, a linear function often refers to a linear mapping.[2][3]

  1. Gelfand, I.M.; Glagoleva, E.G.; Shnol, E.E. (1990). Functions and Graphs. Dover Publications. p. 22. ISBN 978-0-486-31713-7. (in English)
  2. Sloughter, Dan (2001). "The Calculus of Functions of Several Variables, Linear and Affine Functions" (PDF). Retrieved 1 February 2014.
  3. Rowland, Todd. "Linear function (mathematics)". From MathWorld--A Wolfram Web Resource. Retrieved 1 January 2014.

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