For the functions f(x) = 3/x − 4 and g(x) = 3/x + 4, find f(g(x)) and g(f(x)), hence otherwise determine whether g(x) is the inverse of f(x). (a) Using the remainder theorem, determine whether (x − 4) and (x − 1) are factors of the expression x3 + 3 x2 − 22 x − 24 . (b) Hence, by use of long divison, find all remaining factors of the expression.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
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  •  For the functions f(x) = 3/x − 4 and g(x) = 3/x + 4, find f(g(x)) and g(f(x)), hence otherwise determine whether g(x) is the inverse of f(x).
  • (a) Using the remainder theorem, determine whether (x − 4) and (x − 1) are factors of the expression x3 + 3 x2 − 22 x − 24 . (b) Hence, by use of long divison, find all remaining factors of the expression.
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