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sweet [91]
2 years ago
15

What is the domain of the function y = 2 sqrt x-5

Mathematics
2 answers:
yaroslaw [1]2 years ago
8 0

35 definition 7=2 and x=-5

Rufina [12.5K]2 years ago
4 0
<h2>Answer:</h2>

The domain of the given function is:

                  x\geq 5 i.e. [5,∞)

<h2>Step-by-step explanation:</h2>

Domain of a function--

The domain of a function is the set of all the possible values of x for which the function is defined.

That is it is the collection of all the points except the excluded values of the function.

The function f(x) is a square root function which is given by:

          f(x)=2\sqrt{x-5}

We know that the domain of the function depends on the domain of the square root quantity.

We know that: a square root function is well defined when the quantity under the square root is non-negative

i.e.

x-5\geq 0\\\\i.e.\\\\x\geq 5

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The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day.
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The confidence interval for the mean usage of water is (18.7,20.5).

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