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Solnce55 [7]
3 years ago
5

which values must be excluded from the domain of the variable in the expression x²-49/x x=8, x=7, x=0 or x=-7

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
7 0
00000000000000000000000000000000000000000000000000
Pani-rosa [81]3 years ago
6 0

Answer:

x = 0

Step-by-step explanation:

Since we cannot divide by 0, the value of x which results in a denominator that is 0 is a value excluded from the domain;

This value can be found by setting the denominator equal to 0;

In this case, it is very simple as the denominator expression is simply "x", so the exluded value is: x = 0.

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