Solve as necessary to find critical values. Create a sign chart to solve the inequalities. Write answers in interval notation. -1≥0 :: 0 Critical Value: ZEROS Critical Values: Undefined Sign Chart Solution in interval notation :: ² :: 4 <++++++ -4. 1-4 @ ✪ :: <++++++|||||||||||||| ⠀ ++++> :: None :: <+++++||||||||||||||| → # <++++++ 24 -4 = (-∞, -4) U[, ∞) e + |||||| #: (-∞, -4) # (-∞, -4) U [, ∞) :: [, ∞0) & <

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.6: Absolute Value Functions
Problem 40SE: Students who score within 18 points of the number 82 will pass a particular test. Write this...
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PreCalculus
Solve as necessary to find critical values. Create a sign chart to solve the inequalities. Write answers in interval notation.
32
-1≥0
:: 0
Critical Value: ZEROS
Critical Values: Undefined
Sign Chart
Solution in interval notation
:: 4
:: ²
:: 4
<++++++
-4.
@ -4
@
+
:: <+++++||||||||||||||
Ⓡ
⠀
Ⓒ
++++>
:: None :: <+++++|||||||||||||||
e
→
# <++++++
14
-4
= (-∞, -4) U[, ∞)
e
+
++++++>
O
#: (-∞, -4) # (-∞, -4) U[, ∞) = [1, ∞)
&
<
Transcribed Image Text:Solve as necessary to find critical values. Create a sign chart to solve the inequalities. Write answers in interval notation. 32 -1≥0 :: 0 Critical Value: ZEROS Critical Values: Undefined Sign Chart Solution in interval notation :: 4 :: ² :: 4 <++++++ -4. @ -4 @ + :: <+++++|||||||||||||| Ⓡ ⠀ Ⓒ ++++> :: None :: <+++++||||||||||||||| e → # <++++++ 14 -4 = (-∞, -4) U[, ∞) e + ++++++> O #: (-∞, -4) # (-∞, -4) U[, ∞) = [1, ∞) & <
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