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For each of the following, determine if the relation represents a function, then identify the domain and range. Write your answers in set notation.

{(0,1),(-1, 2), (-1, 4), (4,5)}

Function:
Domain:
Range:

y=2x^2+3

Function:
Domain:
Range:

Respuesta :

the first one is not a function because there are two domains, domain is {0, -1, -1, 4}, range is {1, 2, 4, 5}
the second one is a function, but I cant figure out how to type the domain and range of the last one, sorry

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