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 ( 54+ )
Otras preguntas
What number would you put in a matrix to represent a term that is missing in the original equation?
What does the author use MOST EFFECTIVELY to characterize Landon? A) the actions of Landon B) the actions of the father C) the words spoken by Landon himself
In terms of x, find an expression that represents the area of the shaded region. The outer square has side lengths of (x+5) and the inner square has side length
Compare the lives of Telemachus, son of Odysseus, and Orestes, son of Agamemnon. How have each of these young men sought to honor their respective fathers? Cons
What are transferred in an oxidation-reduction reaction
What elements of Romeo and Juliet’s relationship differ from the story of Pyramus and Thisbe?
find the volume of the sphere
During the 1780s and 1790s, Spain blocked American shipping on the __________, because it controlled land at Louisiana and Florida.
PLZ HELP ASAP!!!!!!!! 99 POINTS Which is an example of a poorly stated claim? A) Improving opportunities in Math for Young Girls will Decrease Economic Dispari
Michaela wrote the following. If p + 9 = 25 and p = q, then q + 9 = 25. Which property did Michaela show? A) symmetric property of equality B) multiplication