georgiatrn
georgiatrn georgiatrn
  • 02-09-2016
  • Mathematics
contestada

f(x) = (x^2-2)/(x^2+2x+2)

the domain of this function?

Respuesta :

dalendrk
dalendrk dalendrk
  • 02-09-2016
[tex]f(x)=\dfrac{x^2-2}{x^2+2x+2}\\\\The\ domain\ D:\\\\x^2+2x+2\neq0\\a=1;\ b=2;\ c=2\\\\\Delta=b^2-4ac\\\\\Delta=2^2-4\cdot1\cdot2=4-8=-4 < 0\\\\therefore\\\\Answer:\boxed{D=\mathbb{R}}\to\ any\ real\ number[/tex]
Answer Link

Otras preguntas

triple the sum of 45 and 55
what the difference 400 273
Darrel went to the mall and spent $41. He brought several t-shirts that act cost $12 and he brought 1 pair of socks for $5. How many t-shirts did Darel buy?
integer equation carl owed his mom $27
Three examples of nonliving things in the environment ?
People who lived in groups that developed their own customs, hunted and gathered, and produced cave art can be considered a civilization. a. True b. False
Which word in the sentence is a participle? Do not lean on the painted walls. a. painted b. Do c. on d. lean
Is 6 a múltiple factor Of 24
When might a dissenter show resilience
If a client is working on reducing stress, what should the fitness professional suggest as a first step? A. Take a meditation class. B. Identify the causes of s