Determine which situation could be represented by the system of linear equations given below.
1 answer:
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<h2>Answer:</h2>
A function from a set
to a set
is a relation that assigns to each element
in the set
exactly one element
in the set
. The set
is the domain (also called the set of inputs) of the function and the set
contains the range (also called the set of outputs).
- First figure is not a function because the x-coordinate 2 has more than one element in the set of outputs.
- Second figure is a function because this each element
in the set
is assigned to exactly one element
in the set
.
- Third figure is not a function because the x-coordinates -1, 1 and 2 have assigned more than one element in the set of outputs.
- Fourth figure is a function because this each element