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miv72 [106K]
2 years ago
5

Need help on khan NOW! question is on picture. will report link and mark brainliest if right

Mathematics
1 answer:
Genrish500 [490]2 years ago
3 0
Answer: R= 1

Explanation: no matter how you do it you still get 1 bc its x divided by y which is 1
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Find the domain of the function
Svetradugi [14.3K]

Answer:

<em>The domain of f is (-∞,4)</em>

Step-by-step explanation:

<u>Domain of a Function</u>

The domain of a function f is the set of all the values that the input variable can take so the function exists.

We are given the function

f(x)=\frac{1}{\sqrt{4-x} }

It's a rational function which denominator cannot be 0. In the denominator, there is a square root whose radicand cannot be negative, that is, 4-x must be positive or zero, but the previous restriction takes out 0 from the domain, thus:

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Subtracting 4:

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Multiplying by -1 and swapping the inequality sign:

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Thus the domain of f is (-∞,4)

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2 years ago
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Step-by-step explanation:

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On Sunday, chara ran 6 more miles than he did on Saturday. If he ran m miles on Saturday, which expression represents how many m
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Step-by-step explanation:

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