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roro67
10.12.2020 •
Mathematics
Which one is a function ? a b c d ?
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Ответ:
B
Step-by-step explanation:
A function is a relation in which each y-value has a unique x-value. This means that in a function x-values should never repeat. In both A and C one x-value repeats, meaning they cannot be functions. However, in table B x-values don't repeat, only y-values which is allowed by the definition of function.
Ответ:
9
Step-by-step explanation:
(that's it but I need to fill the character limit)