Math Problem Statement
Sean a, b, c, d números enteros. Considere la función f(x) = ax + b/ cx + d . a) ¿Para qué valores a, b, c y d, f(x) = x? b) ¿Para qué valores a, b, c y d, f(f(x)) = x?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Rational Functions
Function Composition
Systems of Equations
Formulas
f(x) = (ax + b)/(cx + d)
f(f(x)) = f((ax + b)/(cx + d))
Theorems
Conditions for function equality f(x) = x
Conditions for function composition f(f(x)) = x
Suitable Grade Level
Grades 11-12
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