first term a_{n}=3^{n-1}

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

☐²

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ddx

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

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intervalo cos(2x+5)

Solution

−1≤ f(x)≤ 1

Interval Notation

[−1, 1]

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Definição de imagem de função

O conjunto de valores da variável dependente para a qual uma função é definida

A imagem da função básica cos é −1≤ cos(2x+5)≤ 1

−1≤ cos(2x+5)≤ 1

Portanto, a imagem é

−1≤ f(x)≤ 1

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domínio cos(2x+5)

periodicidade cos(2x+5)

amplitude cos(2x+5)

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

first term a_{n}=3^{n-1}

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first term a_{n}=3^{n-1}

Solution

Solution steps

Solve instead

Number Line

Graph