nth term a_{n}=(3^{n+2})/(5^n)

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

☐²

x^☐

√☐

^□√☐

□□

log_□

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∫

ddx

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

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bereich 20x²

Solution

f(x)≥ 0

Interval Notation

[0, ∞ )

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Definition Funktionsbereich

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

Scheitel von 20x²: Minimum (0, 0)

Für eine Parabel ax²+bx+c mit dem Scheitelpunkt (x_v, y_v)
Wenn a<0 dann ist der Bereich f(x)≤ y_v
Wenn a>0 dann ist der Bereich f(x)≥ y_v
a=20, Scheitelpunkt (x_v, y_v)=(0, 0)

f(x)≥ 0

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domäne 20x²

scheitelpunkte 20x²

invers 20x²

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

nth term a_{n}=(3^{n+2})/(5^n)

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