Math Problem Statement
13 La funzione denita da f(x) = − log1/5
(2x) − 13
A ha dominio naturale limitato superiormente
B è inferiormente illimitata
C è inferiormente limitata
D non è iniettiva
E è crescente, ma non in senso stretto
Solution
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Math Problem Analysis
Mathematical Concepts
Logarithmic Functions
Domain and Range
Monotonicity
Injectivity
Formulas
f(x) = -\log_{1/5}(2x) - 13
Logarithm properties: \log_a(x) for a < 1 is decreasing
Domain of logarithmic functions: x > 0
Theorems
Properties of Logarithmic Functions
Monotonicity Theorem
Injectivity Criteria
Suitable Grade Level
Grades 11-12