Math Problem Statement
5 La funzione denita da f(x) = −3x − 4 −4x + 6 è A strettamente decrescente su R\ {3/2} B strettamente crescente su (−∞, 3/2) e su (3/2, +∞) C strettamente decrescente su (−∞, 3/2) e su (3/2, +∞) D strettamente crescente su R\ {3/2} E sia strettamente crescente, sia strettamente decrescente
Solution
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Math Problem Analysis
Mathematical Concepts
Rational Functions
Monotonicity
Derivative
Formulas
f(x) = (−3x − 4) / (−4x + 6)
Quotient Rule for derivatives: f'(x) = [(g(x) * h'(x)) − (h(x) * g'(x))] / [h(x)]^2
Theorems
Monotonicity theorem (A function is strictly increasing or decreasing if its derivative is positive or negative over its domain)
Quotient Rule
Suitable Grade Level
Grades 11-12
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