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
VER TODAS LAS RESPUESTAS ( 11+ )
Otras preguntas
Complete the sentence. Some airlines offer classes to help people overcome their ___________ about air travel. a. donors b. recipients c. phobias
Describe two ways blood is helped back to the heart in veins. mention relevant body systems.
What is the equivalent of pi over 3 radians in degrees?
Sociologist Max Weber emphasized the importance of studying society through understanding the meaning individuals attach to their actions. Is this a macro-level
What prevents lipids from mixing with water
In discussing what we should be doing in drug prevention, the text says, "above all"
Match the following organizations or policies with their respective outcomes. Tiles United Nations Marshall Plan Warsaw Pact Truman Doctrine Pairs provided econ
Escribe la forma correcta del verbo entre parentésis. Dudo que ese grupo ___ todas las instrucciones de la garantía. (seguir) Mis padres esperan que yo _____ Mé
A tire rim has a diameter of 15 in. What is the circumference of the tire rim? Use 3.14 for pi
by what approximate factor is the intensity of an earthquake with the magnitude 5.4 greater than an earthquake with magnitude 5.3?