andre21210
andre21210
04-08-2015
Mathematics
contestada
Let f(x) = x2 - 81. Find f-1(x).
Respuesta :
JaySL
JaySL
04-08-2015
This is equivalent to finding a function g in which [tex]g(x^2-81)=x[/tex].
We simply reverse the actions of the initial function by adding 81 back and taking the square root. Therefore, [tex]f^{-1}(x)=\sqrt{x+81}[/tex].
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
In order to turn letters into sounds that form English words, you need to A. decode B. word associate C. comprehend D. visualize
Why are learning and teaching important?
There are two different paths Kate can take to school. One path is 8/10 kilometer long. The other path is kilometer 80/100 long. Compare the lengths of the path
Assume that cellular uptake rates and drug delivery rates of compounds 1 and 2 are identical. If the proposed mechanism of sensitization by Compound 1 is correc
Help me with a ASAP plz and explain
Factorise : [tex] \sf{ {x}^{2} - 4x - 21 + 10y - {y}^{2} }[/tex]Show workings too!
let x = 4, Evaluate 3x+4x2-8
Please help with these physics problems 1. A soccer ball is dropped from the top of a building. It takes 5.8 seconds to fall to the ground. The height of the bu
During the Great Depression, who had to deal several hardships such as a drought, too many workers and too few jobs, and new technology?*
somebody pls answer in 5mins ill mark you brainliest pls