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Definition of a function
Author:
Körtesi Péter
The function f(x)=(x-3)
2
+1 is considered on the interval A
1
A
2
the domain A
1
A
2
= Dom
f
= [1,6], and codomain B
1
B
2
= Codom
f
= [1,10]. The function is not injective, but surjective.
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