Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 04 Feb 2018 My Price 7.00

geometric characterization


There is a simple geometric characterization of injection and surjection for any function f : \ → \. Such a function is injective iff every horizontal line intersects its graph in at most one point. Describe a similar characterization for surjection. If the domain or codomain of a function f : A → B is not a subset of R, we may visualize f by a diagram as in Figure 3. We think of f as transforming its domain A into its range in B. We may even draw arrows from a few points in its domain to their images in B to illustrate its behavior. We often use this kind of geometrical picture even when A and B are not subsets of the plane.

 

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Maurice Tutor
(5)
Status NEW Posted 04 Feb 2018 07:02 PM My Price 7.00

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