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

Articular cartilage helps to ________ shocks and prevents friction between parts.

Calculate the change in entropy if Br2(l) is converted into gaseous Br atoms. S° for Br2(l) = 152.2 J/(mol•K) S° for Br2(g) = 245.5 J/(mol•K) S° for Br(g) = 17

what impact did new technologies in the assembly and manufacturing have on the auto industry in the 1920s

please give answer this question

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( mL ), of the olive oil?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

_____________ dominance the dominant allele doesn’t fully mask or hide the recessive. For example, a red carnation with a white carnation will produce a ____

With the description of the different cell walls, membranes, and associated proteins set in the students' minds, you now need to introduce them to the idea that

chicken pox and hepatitis are bacterial diseases. True or false?

The distance, in feet, two boys travel per second on a treadmill is shown to the left. which comparison is accurate? A. Xavier is traveling at 1.5 feet per seco