georgiatrn georgiatrn

02-09-2016
Mathematics

contestada

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

the domain of this function?

Respuesta :

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

Which of these occurred FIRST? A: Paleolithic Era B: Neolithic Era C: Bronze Age D: Iron Age

how did the space race between the United States and the Soviet union impact U.S society?

Pruitans typically formed which type of community?

simplify this please

How to do it because I do not understand it

Which of the following is a correctly balanced equation? Please help I need the answer asap

what civilization built cities at harappa and mohenjo dark and built a sanitation system

I am thinking of a number. I subtract 10 then divide by 2 and I now have 19. What was my original number?

Which equation is y=-6x^2+3x+2 written in vertex form

Alexa owns a total of 45 fiction and nonfiction books. If the number of fiction books is 15 more than 4 times the number of nonfiction books, how many fiction b