Find c such that the function f(エ) 8x- 20 I > C is continuous everywhere.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.1: Polynomial Functions Of Degree Greater Than
Problem 35E
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Question
Find c such that the function
2
f(x)
8x 20
is continuous everywhere.
Transcribed Image Text:Find c such that the function 2 f(x) 8x 20 is continuous everywhere.
Expert Solution
Step 1

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.

find the left-hand limit of the function at x=c

\lim _{x\to c^-}f\left(x\right)

=\lim _{x\to c^-}x^2-4

=c^2-4

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