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Arisa [49]
3 years ago
8

Someone please help me on these 2 problems!

Mathematics
1 answer:
Veronika [31]3 years ago
5 0

1) function  2) not a function

the first one is a function because its y values are the same number (3), which means it is a horizontal line and horizontal lines are functions.  

the second one is not a function because the coordinates cannot have different inputs but different outputs. each input must have only one output.

the coordinates for the second one are:

(2,5); (1,1); (1,2); (3,2)

and <u>a function cannot have two same x-coordinates</u>. it must pass the vertical line test which is a way to tell if something is a function or not. since the second graph does not pass the vertical line test, it is not a function

hope this helps :)

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What single percentage change is equivalent to a 15% decrease followed by a 16% decrease?
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