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Rus_ich [418]
2 years ago
15

Can someone help and explain how to find domain and range I'm confused doing it on the last to I know how to do it with x just n

ot x+1 and x-2??????​

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
8 0

Answer:

Domain is the set of inputs that will give you a defined output.

In example, f(x)=5/x, the domain would be all real numbers except for 0, because if it would be 0, it would be 5/0 which would be undefined.

Range is the set of outputs that are possible.

In example, f(g)=g(0), the range would be 0.

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1  1   1  1
2  1  -1  8
1 -1   1  -5

(note how the above 3 rows represent the 3 equations, just got rid of the variables, plus sign and equals sign)

subtract row1 from row3, that eliminates x and z from row 3.

1  1   1  1
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