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