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x^2-3x-18<= 0

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

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≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
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intervalo (x²+1)(x²−1)

Solution

f(x)≥ −1

Interval Notation

[−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 é o domínio combinado das funções inversas

Encontrar a(s) função(ões) inversa(s) de: (x²+1)(x²−1)

Inversa de (x²+1)(x²−1): ⁴√x+1, −⁴√x+1

⁴√x+1, −⁴√x+1

Encontrar o domínio de cada função inversa

Domínio de ⁴√x+1 : x≥ −1

Domínio de −⁴√x+1 : x≥ −1

Combinar os intervalos

f(x)≥ −1

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domínio (x²+1)(x²−1)

inversa (x²+1)(x²−1)

interceptos (x²+1)(x²−1)

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

x^2-3x-18<= 0

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x^2-3x-18<= 0

Solution

Solution steps

Solve instead

Number Line

Graph