Math Problem Statement
Dom(f)=[–2;9]→ B una función suryectiva, definida por f(x)=x2 –8x. Determine la cantidad de elementos enteros de L=〈–2, 10〉∩ B. A) 8 B) 11 C) 9 D) 10 E) 12
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Surjectivity
Range of Functions
Formulas
f(x) = x^2 - 8x
x_v = -b / 2a
Range of a quadratic function
Theorems
Vertex theorem for parabolas
Definition of surjective functions
Suitable Grade Level
Grades 10-12
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