Math Problem Statement

Realice la gráca de las siguientes funciones para determinar si el límite existe o no. a. limx−→0 f(x), donde f(x) = ( x + 3, si x < 0; −x + 3, si x ≥ 0 b. limx−→2 f(x), donde f(x) = ( x, si x < 2; x + 1, si x ≥ 2 c. limx−→2 f(x), donde f(x) =    x 2 − 2x, si x < 2; 1, si x = 2; x 2 − 6x + 8, si x > 2 d. limx−→0 f(x), donde f(x) =    x 2 , si x < 0; 2, si x = 0; √ x − 1, si x > 0

Solution

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Math Problem Analysis

Mathematical Concepts

Limits
Piecewise Functions
Continuity
Left-hand and Right-hand Limits

Formulas

lim_{x \to a^{-}} f(x) (left-hand limit)
lim_{x \to a^{+}} f(x) (right-hand limit)

Theorems

Limit Existence Theorem
Continuity at a Point
Piecewise Function Limit Evaluation

Suitable Grade Level

Grades 11-12 (Pre-Calculus or Calculus)