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Rama09 [41]
3 years ago
13

For what values of x is the following expression a real​ number?

TexFormula1" title="\sqrt{x} -4" alt="\sqrt{x} -4" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
IrinaVladis [17]3 years ago
8 0

The square root is defined only for non-negative numbers. In other words, you can compute \sqrt{x} if and only if x \geq 0

If x \geq 0, the square root is a real number, and so is \sqrt{x}-4

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