Homework Help: Algebra-One to one function

Posted by Soly on Thursday, September 13, 2007 at 10:33pm.

Could you please check my answers and help me with one of them?

Find the inverse of the one to one function

1. f(x)-4x+7
-I got f^-1(x)=x-7/(-4)

2. f(x)= square root of x-8
-I got f^-1(x)=x^2-8

3. f(x)=4/(5x-1)
This one I dont understand how to find the inverse of the one to one function.

Algebra-One to one function - Anne, Thursday, January 3, 2013 at 1:05pm
Why is the square of an addiction : (a+b)^2 = a^2+b^2 +2ab? Write an example describing the operation.

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