Math Problem Statement
Identify all singular points and points of discontinuity of the given function. HINT [See Example 3.] (Enter your answers as comma-separated lists. If an answer does not exist, enter DNE.)
f(x) =
2x − 9
if x < 5
−2x + 11
if x > 5
Solution
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Math Problem Analysis
Mathematical Concepts
Piecewise Functions
Limits
Continuity
Singular Points
Formulas
Left-hand limit: lim(x -> c-) f(x)
Right-hand limit: lim(x -> c+) f(x)
Theorems
Continuity at a Point Theorem
Limit Existence Criterion
Suitable Grade Level
Grades 10-12