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 ( 41+ )
Otras preguntas
most archaeological digs are financed by _________?
A red candle is 11 2/5 inches tall. the label claims that the candle will melt 1 1/8 inch every hour it burns. If the label is correct, for how many hours will
A red candle is 11 2/5 inches tall. the label claims that the candle will melt 1 1/8 inch every hour it burns. If the label is correct, for how many hours will
Name one geographic characteristic and explain how it made early life in Greece unique?
What is the difference between similar and congruentent
What effect did a drop in population have on the Roman Empire? A. a weakened consul B. a weakened military C. an increase in revenue D. a decrease in interna
Which one of the following letters would be considered formal? A. A letter of application B. A letter of invitation to an anniversary party C. A personal letter
When you divide a whole number by a decimal less than 1, the quotient is greater than the whole number. Why?
How many solutions are there to the following system of equations? 5x 3y=7 2x-y=2
How are atoms and molecules the same? How are they different?
