Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 28E
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Question
Find all points of discontinuity of f, where f is defined by
Expert Solution
Step 1: Definition
A function is continuous at a point if it satisfies all the given conditions.
- exist
- exist. That is,
- The limit is equal to the value of the function at that point. That is, .
Step 2
(17)
The function is .
The function is a polynomial function in the intervals and constant in . Thus, the function is continuous there.
Now, check the continuity of the function at the point .
The value of .
Find the limit of the function as .
Therefore, .
Thus, the function is continuous at .
That is, the function is continuous at all points in the domain.
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