ÃŤjr
ÃŤjr
29-09-2016
Mathematics
contestada
confirm that (f°g)(x)=(g°f)(x)=x
Respuesta :
caylus
caylus
29-09-2016
Hello,
It is enough to prove that g(x)=f(^-1)(x)
f(x): y=(2x+3)/(x+4)
f(^-1): x=(2y+3)/(y+4)
==>xy+4x=2y+3
==>y(x-2)=3-4x
==>y=(3-4x)/(x-2)
==>y=(4x-3)/(2-x)= g(x)
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
Exact answer for the question
Can you help me identify the type of cardinality that is represented in an entity relationship model
mary can plow 3.2 acres of land in an hour. how long will it take her to plow 2.4 acres of land
the tail on the donkey ever have you ever played tape the tail on the donkey we played it at my birthday party its easy and fun first mom taped a big picture of
International relations allows nations to cooperate with one another, pool resources, and share information as a way to face global issues that go beyond any pa
Has your phone ever g____ Off at the meeting?
Evaluate each of the following expressions. (NO denominators are equal to 0.) The absolute value of x over x If x > 0, then X If x < 0, then X =
Choose the sentence or sentences with the correct colon placement. a. The student included three pieces of writing in their portfolios: a narrative, an argument
German chancellor who helped Germany rebuild after WWI; he ignored the Treaty of Versailles and invaded Poland.
sin 3x+ sin x= cos x what is the solution set?
