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

What does the mitochondria do in an animal cell?
Which of the following contributed to the outbreak of the Mexican War?
what is the square root of 45*2 rounded
You are downloading songs to your MP3 player. The radio of pop songs to rock songs is 5:4. You download 40 pop songs. How many rock songs do you download?
In the late 1940s and early 1950s, World War II veterans began to settle down and have larger families. What was one effect that this baby boom had on places s
essay about politics in the state of mississippi
What was the major achievement of Frances de Sales?
How do I solve this problem?
whats the gcf of 59 and 96
John Brown was found guilty of treason for his attack on the Harper's Ferry arsenal. True False