The function f(x)=(x-1)^2-4 is not one to one.If you restrict the domain for f(x) to x ≥1,what is its inverse function and the domain for the inverse?
A)f^-1(x)=1-sqrt x+4,x≥-4
B)f^-1(x)=1+sqrt x+4,x≥-4
C)f^-1(x)=1-sqrt x-4,x≥4
D)f^-1(x)=1+sqrt x-4,x≥4

Question

The function f(x)=(x-1)^2-4 is not one to one.If you restrict the domain for f(x) to x ≥1,what is its inverse function and the domain for the inverse?
A)f^-1(x)=1-sqrt x+4,x≥-4
B)f^-1(x)=1+sqrt x+4,x≥-4
C)f^-1(x)=1-sqrt x-4,x≥4
D)f^-1(x)=1+sqrt x-4,x≥4

billyjean · Answer

Tag 3mar

3mar · Answer

Well, I am here.

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if you want to tag someone, just type @ followed by his name with no spaces

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billyjean · Answer

sorry

3mar · Answer

No problem at all!
You are welcome, sister!

3mar · Answer

What do you think about the question?

3mar · Answer

@billyjean 
Are you there?

billyjean · Answer

yes

billyjean · Answer

take a guess what the answer is

billyjean · Answer

Im confused

3mar · Answer

Not a guess 

Step by step.
ok?

3mar · Answer

@billyjean 
Can you kindly respond more faster, please?