chackey
22.04.2020 •
Mathematics
Please please really fast just please help
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Ответ:
{(1,-5),(-1,6),(1,5),(6,-3)}
Step-by-step explanation:
A relation is said to be a function when each element of the domain have one and only one image .
Since, in the second relation the element in domain i.e. 1 have two images 5 and -5, therefore, it is not a fuction
Ответ: