KhanAcademy

Functions

 

What is a function -- 7 min 57 sec

Function example problems -- 11 min 49 sec

Understanding function notation: example 1 -- 59 sec

Understanding function notation: example 2 -- 44 sec

Understanding function notation: example 3 -- 2 min 13 sec

 

Difference between equations and functions -- 4 min 18 sec

Testing if a relationship is a function -- 2 min 23 sec

Relations and functions -- 6 min 57 sec

 

Graphical relations and functions -- 4 min 7 sec

Functional relationships 1 -- 4 min 40 sec

Recognizing functions: example 1 -- 1 min 31 sec

Recognizing functions: example 2 -- 1 min 40 sec

Recognizing functions: example 3 -- 1 min 16 sec

Recognizing functions: example 4 -- 3 min 33 sec

Functions as graphs -- 9 min 35 sec

 

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