2 years ago

Find the Domain and Range

Mathematics

1 answer:

Ksju [112]2 years ago

5 0

Answer:

See explanation below

Step-by-step explanation:

Domain = $-7\leq x\leq infinity$

Range = $-1$

Domain refers to the set of x values of the graph, while range refers to the set of y values of the graph.

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3 years ago

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3 years ago

What's the domain and range for (×+4)-1

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$\bf a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad

\cfrac{1}{a^{ n}}\implies a^{-{ n}}\\
---------------\\
thus\\
(x+4)^{-1}\implies \cfrac{1}{x+4}
\\\\
$
$\bf if\qquad \cfrac{1}{0} \implies$ undefined

so.. what value of "x" makes x+4 to 0?

the domain will be, all real numbers, except that value

about the range, "y" will take, whateve "x" can provide.. in this case... I think is all real numbers, except 0, because, if you give a few big values to "x", the fraction will simply have a bigger and bigger denominator, making the fraction smaller and smaller, ever approaching 0, but never getting there

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3 years ago