How To Find Domain Of A Square Root Function - Poursteady Utilities

I. e. , the square root function domain is [0, ∞).

Note that it includes 0 as well in the domain.

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In general, the square root of a number can be either positive or negative.

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I. e. , √25 = 5.

Webdetermine the domain of functions worked example:

Determining domain word problem (real numbers) worked example:

Determining domain word problem (positive integers)

Webthe sequence of graphs in figure 2 also help us identify the domain and range of the square root function.

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In figure 2 (a), the parabola opens outward indefinitely, both left.