need help

flew62999

New member
Joined
Aug 30, 2005
Messages
47
Dont know where to start:

f(x) = 4x - 3
--------
2

a. find its inverse f^-1(x)
b. f o f^-1
 
y = f(x) = (4x - 3)/2
Start by solving for x = ?
Then interchange x and y
That's how you find f<sup>-1</sup>(x)

b) the result should be y = x
 
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