Math Problem Statement
diketahui f(x) = (x+1)/(x−1), dan g(x)= √(x−2) . tentukan (fog)^(−1) (2)
Solution
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Math Problem Analysis
Mathematical Concepts
Function Composition
Inverse Function
Algebraic Manipulation
Square Roots
Formulas
f(x) = (x + 1) / (x - 1)
g(x) = √(x - 2)
(f ∘ g)(x) = f(g(x)) = (√(x - 2) + 1) / (√(x - 2) - 1)
Inverse formula: y = (√(x-2) + 1) / (√(x-2) - 1)
Theorems
Inverse Function Theorem
Properties of square roots and algebraic manipulation
Suitable Grade Level
Grades 11-12