One-one function: Difference between revisions
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A function F is called one-one function if it never adopts the same value twice. | A function F is called one-one function if it never adopts the same value twice. | ||
== Geometric proof == | |||
A function is one-one if and only if no horizontal line intersects its graph more than once. | |||
Revision as of 23:03, 20 April 2022
A function F is called one-one function if it never adopts the same value twice.
Geometric proof
A function is one-one if and only if no horizontal line intersects its graph more than once.