Answer:
The answer is D. I believe
Answer:
36.2 is the answer
Step-by-step explanation: 10% of 136 is 13.6 times 2.5
Answer:
isosceles
Step-by-step explanation:
two sides equal
Answer:
The required domain is ![x\ne -1](https://tex.z-dn.net/?f=x%5Cne%20-1)
Step-by-step explanation:
The given function is
![f(x)=\frac{1-x}{x}](https://tex.z-dn.net/?f=f%28x%29%3D%5Cfrac%7B1-x%7D%7Bx%7D)
We need the inverse of this function.
We first of all have to let
.
This implies that,
![y=\frac{1-x}{x}](https://tex.z-dn.net/?f=y%3D%5Cfrac%7B1-x%7D%7Bx%7D)
Next, we interchange
and
to obtain,
![x=\frac{1-y}{y}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B1-y%7D%7By%7D)
We make y the subject to get,
![xy=1-y](https://tex.z-dn.net/?f=xy%3D1-y)
![xy+y=1](https://tex.z-dn.net/?f=xy%2By%3D1)
![(x+1)y=1](https://tex.z-dn.net/?f=%28x%2B1%29y%3D1)
![y=\frac{1}{1+x}](https://tex.z-dn.net/?f=y%3D%5Cfrac%7B1%7D%7B1%2Bx%7D)
The inverse function is
![f^{-1}(x)=\frac{1}{1+x}](https://tex.z-dn.net/?f=f%5E%7B-1%7D%28x%29%3D%5Cfrac%7B1%7D%7B1%2Bx%7D)
The domain of this function is
![x+1\ne 0](https://tex.z-dn.net/?f=x%2B1%5Cne%200)
![\Rightarrow x\ne -1](https://tex.z-dn.net/?f=%5CRightarrow%20x%5Cne%20-1)
The correct answer is D
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