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Please help, I can not get this for the life of me!

Please help, I can not get this for the life of me!-example-1

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The values of x for which the expression √(|x| + 1) make sense is the set of all real numbers; x ∈ R

The evaluation of the expression used determine the values of x for which the specified expression is defined can be presented as follows;

The specified expression can be presented as follows;

√(|x| + 1)

The above expression is valid when the value of x assumes a positive, negative number value, or zero. However, the expression is not defined as a real number when x is a complex number

The set of positive and negative numbers and zero is the set of all real numbers, therefore, the expression is valid for the set of all real numbers

x ∈ R

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