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91Ó°ÊÓ

For each limit statement , use algebra to find δ > 0 in terms of ε> 0 so that if 0 < |x − c| < δ, then | f(x) − L| < ε.

limx→3(x2-6x+5)=-4

Short Answer

Expert verified

δ=ε

Step by step solution

01

Step1. Given information. 

We have been given a limit statement as limx→3(x2-6x+5)=-4.

We have to find δintermsofε.

02

Step 2. Use algebra 

From the given limit statement, we can identify

f(x)=x2−6x+5c=3L=-4Forε>0x2−6x+5−(−4)<εx2−6x+5+4<εx2−6x+9<ε(x−3)2<ε|x−3|2<ε|x−3|<εFor0<|x−c|<δ,weget|x−3|<ε.Therefore,δ=ε

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