saidou11thiam saidou11thiam
  • 20-12-2017
  • Mathematics
contestada

What is the inverse of the function f(x)=x+1/x ? NEED HELP

A. f^-1x=x/x+1
B. f^-1x=1/x-1
C. f^-1x=x-1/x+1
D. f^-1x=x/x-1

Respuesta :

andriansp andriansp
  • 20-12-2017
Answer: B. f^-1x=1/x-1

f(x)=(x+1)/x
y= (x+1)/2
x= (y+1)/y
x-1= (y+1)/y - y/y              ----> subtract 1 for both side. change 1 into y/y
x-1= (y+1-y)/y                 ------> subtract (y-1) with y
x-1= (1)/y 
y= 1/ x-1

f^-1x=1/x-1
Answer Link
philbauere
philbauere philbauere
  • 23-09-2020

Answer:

B. f^-1x=1/x-1

Step-by-step explanation:

Its B on edgenuity, answers do not change or mix.

Answer Link

Otras preguntas

Do 1 gallon and 8 pints represents the same amount
what the british government wanted?
How do I solve 2(a+2)=2?
Anne has 24 more cards than Devi.  Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards.  How many cards does Anne have?
I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound
Anne has 24 more cards than Devi.  Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards.  How many cards does Anne have?
find the area of a triangle with the following dimensions: a = 12 yards b=16 yards and c=24 yards round to the nearest square yard
I need the inequality answer.florence wants to buy onions and doesn't want to spend no more than $3. Can she buy 2.5 pounds ? They are 1.25 pound
convert to fraction .34
convert to fraction .34