What is the domain of the function below?

Mathematics

2 answers:

skad [1K]3 years ago

6 0

Answer:

A. {-9, -4, -1}

Step-by-step explanation:

Every number on the f(x) side is the domain which is the input numbers.

If you have any additional questions feel free to ask me or your teacher so you can really master what you're learning. :)

N76 [4]3 years ago

5 0

Answer:

the last one

Step-by-step explanation:

domain is on the x axis

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ANTONII [103]

$\bf 15tan^3(x)=5tan(x)\implies 3tan^3(x)=tan(x)
\\\\\\
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\\\\\\
\begin{cases}
tan(x)=0\\\\
\measuredangle x=0,\pi \\
----------\\
3tan^2(x)-1=0\\
tan^2(x)=\frac{1}{3}\\
tan(x)=\pm\sqrt{\frac{1}{3}}\\\\
tan(x)=\pm\frac{1}{\sqrt{3}}\\\\
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\end{cases}$