invers 1/(9+x^2)

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

simplify solve for expand factor rationalize

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Steps Examples

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bereich 2sec(x)

Solution

f(x)≤ −2 or f(x)≥ 2

Interval Notation

(−∞ , −2]∪ [2, ∞ )

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Definition Funktionsbereich

Die Menge der Werte der abhängigen Variablen, für die eine Funktion definiert ist

The range of the basic sec function is sec(x)≤ −1 or sec(x)≥ 1

sec(x)≤ −1 or sec(x)≥ 1

Multipliziere die Randbereiche mit: 2

2sec(x)≤ −2 or 2sec(x)≥ 2

Deshalb ist der Bereich:

f(x)≤ −2 or f(x)≥ 2

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domäne 2sec(x)

periodizität 2sec(x)

amplitude 2sec(x)

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

invers 1/(9+x^2)

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