Math Problem Statement

Si el dominio de la función f(x)=x2−bx+2−−−−−−−−−√ es (−∞,1]∪[2,∞) . Cuál es el valor de b ?

Solution

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Math Problem Analysis

Mathematical Concepts

Quadratic Equations
Domain of Functions
Square Roots

Formulas

Quadratic formula
Discriminant formula

Theorems

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Suitable Grade Level

High School