Cálculo del Dominio de una Función dada su Gráfica

Project ID: 
7360000046
Accepted: 
Tipo: 
Layout: 
Question: 
Usa las gráficas dadas para calcular el dominio correspondiente de cada función y empareja cada función con su dominio.
Questions Title: 
Gráficas:
Answers Title: 
Dominios:
Question 1: 
$f(x)=3\mathrm{e}^{-x^2}-1$
Question 1 Image: 
Answer 1: 

$\mathbb{R}$

Question 2: 
$f(x)=\left\{\begin{array}{ll}-0.5(x+4)^2+4\text{, } & x\leq -2 \\ & \\ 0.5(x-4)^2-4\text{, } & x\geq 2\end{array}\right.$
Question 2 Image: 
Answer 2: 

$(-\infty;-2]\cup[2;\infty)$

Question 3: 
$f(x)=\left\{\begin{array}{ll}-\frac8{x+2}+2\text{, } & x < -2 \\ & \\ \frac8{x-2}+2\text{, } & x > 2 \end{array}\right.$
Question 3 Image: 
Answer 3: 

$(-\infty;-2)\cup(2;\infty)$

Question 4: 
$f(x)=\left\{\begin{array}{ll} -\frac8x+2\text{, } & x < 0 \\ & \\ -\frac8{x}-2\text{, } & x >0\end{array}\right.$
Question 4 Image: 
Answer 4: 

$\mathbb{R}\setminus\{0\}$

Question 5: 
$f(x)=\left\{\begin{array}{ll} \log_2(x+2)+1\text{, } & -2 < x < 0 \\ & \\ \log_2(-x+2)+1\text{, } & 0 \leq x < 2\end{array}\right.$
Question 5 Image: 
Answer 5: 

$(-2;2)$

Question 6: 
$f(x)=2\text{, }\ x > 0$
Question 6 Image: 
Answer 6: 

$(0;\infty)$