glen1 glen1
  • 21-05-2014
  • Mathematics
contestada

find domain of g

g(x)=x+5/2x^2-x-3

Respuesta :

Аноним Аноним
  • 07-07-2014
[tex]g(x)=\frac{x+5}{2x^2-x-3}\\\\D_g:\\2x^2-x-3\neq0\\\\2x^2+2x-3x-3\neq0\\\\2x(x+1)-3(x+1)\neq0\\\\(x+1)(2x-3)\neq0\iff x+1\neq0\ \wedge\ 2x-3\neq0\\\\x\neq-1\ \wedge\ x\neq1.5\\\\D_g:x\in\mathbb{R}\ \backslash\ \{-1;\ 1.5\}[/tex]
Answer Link

Otras preguntas

how do you solve 7-5z=17+5z
the measure of two angles of a quadrilateral are 120 degree and 50 degree and the other two angles are equal find the measure of each of the angles
invent fresh figures of speech for two items in the following list (at least two so I can understand?
i need help to figure out what the answer to 3(2−f)≤15 is. please ASAP
Write an algebraic expression for: The quotient of a number and twelve. A N x 12 B N + 12 C N / 12 D N - 12
Compare and contrast drugs and supplements. Give two ways that they are similar and two ways that they are different.
All of the following helped compose the Federalist Papers EXCEPT:
Ray paid 812 to Rent music equipment that cost 28 port hour how many hours did he have the equipment
Its an easy question but im lazy (2x−6)+4(x−3)
how do you solve 3 / 4(48-16x)=4(4+2x)