Math Problem Statement
Calcule «ab» si la siguiente función es inyectiva F = {(2;2a – 1),(4;19),(2;7),(4;4b – 1)} A. 16 B. 22 C. 30 D. 20 E. 15
Solution
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Math Problem Analysis
Mathematical Concepts
Injective Functions
System of Equations
Algebra
Formulas
Injective property: f(x1) = f(x2) implies x1 = x2
Equation 1: 2a - 1 = 7
Equation 2: 19 = 4b - 1
Theorems
Injectivity theorem
Suitable Grade Level
Grades 9-12