cupcake365 cupcake365
  • 07-01-2019
  • Mathematics
contestada

Can someone help me with the 2 highlighted questions?

Can someone help me with the 2 highlighted questions class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 08-01-2019

Answer:

2. domain: {3,4,5,6,7}; range: {2,3,4,5,6}

4. IS a function

Step-by-step explanation:

2. The domain is the list of first numbers of each pair.

The range is the list of second numbers.

4. If each value on the left only has one arrow coming from it, the relation is a function. That is the case here.

__

Contrast that to the problem above (3.). In that one, the number 4 1/2 has two arrows coming from it. That relation is NOT a function.

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