SOLUTION: Im having trouble being able to solve this inverse equation, y=(x+4)/x. By what we have been taught, i think i have narrowed it down to x=(y+4)/y, but i dont know where to go from

Algebra ->  Inverses -> SOLUTION: Im having trouble being able to solve this inverse equation, y=(x+4)/x. By what we have been taught, i think i have narrowed it down to x=(y+4)/y, but i dont know where to go from       Log On


   

Question 1045580: Im having trouble being able to solve this inverse equation, y=(x+4)/x. By what we have been taught, i think i have narrowed it down to x=(y+4)/y, but i dont know where to go from there.
Found 2 solutions by MathLover1, advanced_Learner:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

y=%28x%2B4%29%2Fx
to find inverse y%5E-1, first swap x and y
x=%28y%2B4%29%2Fy....solve for y
x=+y%2Fy%2B4%2Fy
x=+1%2B4%2Fy
x-1=4%2Fy
y%28x-1%29=4
y=4%2F%28x-1%29
so, inverse is:
y%5E%28-1%29=4%2F%28x-1%29

+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+%28x%2B4%29%2Fx%2C+4%2F%28x-1%29%29+


Answer by advanced_Learner(501) About Me  (Show Source):
You can put this solution on YOUR website!
what happens when

x=0