In the following problem, show that f(x) and g(x) are functions by showing that f(g(x)) =x and g(f(x)) = x f(x) = 4x-8 g(x) = x/4+2

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section: Chapter Questions
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In the following problem, show that f(x) and g(x) are functions by showing that f(g(x)) =x and g(f(x)) = x

f(x) = 4x-8

g(x) = x/4+2

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