g(x) | f (x) = V]x| – 2 х2 — 2 1 1 1 g(f(x)) = |x| – 2 – 2 |x|– 4 2 (/ix| – 2)´ – 2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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Please find the domain and range for the composite function. 

You cannot simply find the composite function then find the domain. You must find it using the 2 functions you're given. 

1
g(x)
%|
x2
- 2
f (x) = Vlx| – 2
1
1
1
g(f(x)) =
(/i#I – 2)´ – 2
|x|– 2 – 2
|x| – 4
-
Dom g(f (x)) = {x € dom f | f (x) E dom g}
= {x € (-00, -2] U [2, 0) | Vīx| – 2 € (-∞, –v2) u (-v2, V2) u ( v2, co0)}
%3D
Transcribed Image Text:1 g(x) %| x2 - 2 f (x) = Vlx| – 2 1 1 1 g(f(x)) = (/i#I – 2)´ – 2 |x|– 2 – 2 |x| – 4 - Dom g(f (x)) = {x € dom f | f (x) E dom g} = {x € (-00, -2] U [2, 0) | Vīx| – 2 € (-∞, –v2) u (-v2, V2) u ( v2, co0)} %3D
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