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

whats the square root of 136?
can someone help me with my geometry
what is the side length of a cube that has a volume of 0.008 m a.0.000000512 m b.0.002 c.0.02 d.0.2
Hal has just graduated from four years of college. For the last two years, he took out a Stafford loan to pay for his tuition. Each loan had a duration of ten y
What is 4x 3y=19,6x-5y=-57?
Which line from the story gives us an indication of the status of the two scientists? “You had no right. Rash your name; rash your nature. Who are you not to as
Which of the following was NOT a demand of Populism ? Question 4 options: A. make the workplace safer B. to outlaw child labor C. clean up pollution D. Higher
Jamir’s new job is 25 miles away from his home. What is the most important thing he needs to consider before agrees to a lease?
how are inderect measurements useful
I am soooooo confused