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

Which type of resource are newspaper accounts written at the time an event occurred? primary source documents top-down source documents secondary source documen
Which of the following statements is correct? a. RNA contains the genetic code. b. RNA reads and translates the DNA code c. DNA reads and translates the RNA cod
write the expressions in standard form 1/8(2x+4)
what is the standard form of two and twelve hundredths
what is the most important blood cell in your body?
Which pair of sentences can be combined using a conjunction? A. Alison meant to call home before she left the party. She forgot. B. Mother can't wait for th
a pond is 0.03 meters thick.if the pond were 10 times thick how many meters thick would the ice be?
what is 28/50 as a decimal
Can someone pretty please help me? The problem: Write about a real-world situation that can be solved using a two-step equation.
What describes the path of blood between the heart and the lungs