Respuesta :
There are four elements in the range of the function [tex]\left \{ (9,-3),(10,-2),(-1,-3),(0,-2),(2,2),(-1,-1) \right \}[/tex]
Define function.
A function is a relation in which each element in the domain has a unique image in the codomain.
A range is a subset of codomain that has preimage in the domain.
A function is [tex]\left \{ (9,-3),(10,-2),(-1,-3),(0,-2),(2,2),(-1,-1) \right \}[/tex]
Range is [tex]\left \{ -3,-2,2,-1 \right \}[/tex]
So, there are four elements in the range.
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