Prove the statement using the , & definition of a limit. x2 - 2x 8 = 6 X-4 lim Given & > 0, we need & ---Select---✓ such that if 0 < x-41 <---Select--- | (x-4) (x + 2) - 6 < x-4 x² - 2x-8 X-4 |x²2x-8 X-4 - 6| < 8 → By the definition of a limit, lim X-4 = 6. , then 1x²2x8. x-4 6 ---Select--- . We have <६ →|x + 2-61 < € [x4] ⇒ |x-41 <&. Choose & = ---Select--- . Then 0 < x-41 → ✓ Then 0 < x 4| < 8 < 8 = |x4| <---Select--- → |x²=2x-8-6 ---Select--- X-4

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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Calculus - limit of the functions

How do I solve these functions expressed in the image below?

Prove the statement using the &, & definition of a limit.
x² - 2x - 8
x - 4
lim
x →4
Given & > 0, we need 8 ---Select---
-6\
x²2x8
x - 4
= 6
< ह
(x-4)(x + 2)
x - 4
x² - 2x - 8 = 6.
X-4
By the definition of a limit, lim
X→ 4
such that if 0 < x - 4| < |---Select--- ✓
-6|-
-
6 < E
x² - 2x - 8
x - 4
x + 2-6 < ɛ [x #4] ⇒ x - 4| < . Choose & = ---Select--- ✓ |. Then 0 < x - 4| < 8 ⇒ |x- 4| < |---Select--- v
⇒
I
then
- 6 6 ---Select--- ✓
v
. We have
→
x² - 2x - 8
x - 4
-6---Select--
Transcribed Image Text:Prove the statement using the &, & definition of a limit. x² - 2x - 8 x - 4 lim x →4 Given & > 0, we need 8 ---Select--- -6\ x²2x8 x - 4 = 6 < ह (x-4)(x + 2) x - 4 x² - 2x - 8 = 6. X-4 By the definition of a limit, lim X→ 4 such that if 0 < x - 4| < |---Select--- ✓ -6|- - 6 < E x² - 2x - 8 x - 4 x + 2-6 < ɛ [x #4] ⇒ x - 4| < . Choose & = ---Select--- ✓ |. Then 0 < x - 4| < 8 ⇒ |x- 4| < |---Select--- v ⇒ I then - 6 6 ---Select--- ✓ v . We have → x² - 2x - 8 x - 4 -6---Select--
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