A FUNCTION IS A MAIL CARRIER

Compares a function to a mail carrier, with each letter, or domain value, placed in exactly one mailbox, or range value. Continues the mail carrier analogy for a constant function, a one-to-one function, and an onto function. (AIM)

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Bibliographic Details
Published inThe Mathematics teacher Vol. 89; no. 6; pp. 468 - 469
Main Author Sand, Mark
Format Journal Article
LanguageEnglish
Published Reston National Council of Teachers of Mathematics 01.09.1996
Subjects
Abstract ideas
Academic Achievement
Analogies
Calculus
Functions (Mathematics)
Letter carriers
Mailboxes
Mathematical Concepts
Mathematical constants
Mathematical functions
Mathematics Curriculum
Mathematics education
Mathematics Instruction
Numbers
Range of function
Secondary Education
Secondary School Mathematics
Secondary Schools
SHARING TEACHING IDEAS
Teaching Methods
Topology
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Summary:Compares a function to a mail carrier, with each letter, or domain value, placed in exactly one mailbox, or range value. Continues the mail carrier analogy for a constant function, a one-to-one function, and an onto function. (AIM)
ISSN:0025-5769
2330-0582