interval notation. greater than /less than set notation interval notation greater than /less than or...
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Interval Notation
Greater than /Less than
Set Notation
Interval Notation
Greater than /Less thanor equal to or equal to
Set Notation
Interval Notation
3 7 2 0
1 200 23 41
4 3
x x
x x
x x
Write in Interval Notation
Write in Set Notation
(7,12) [ 1,5)
[63,95] (-21, -4]
(- ,16] (9, )
PRACTICE:
3 7x
5 8x 2 12x 7 10x
6x17x
3x 4x
Write in Interval Notation.
Write in Inequality Notation.
•(3, 6)•[-2, 1)•[4, 72]
•(-2, 5]
( ,3]
•[ 7, )
•( ,8)
(4, )
x
y
Find where the function is Increasing / Decreasing.Find the maximum(s) and minimum(s)
Solving inequalities:
Two things to Remember:
Change the symbol if MULT. OR DIVIDE by a negative.
ex. #56 2 – 3 x 5
Two things to Remember:
If given a choice, move the smaller variable. Why?
ex. #60 2 x–2 3 + x
F P S O D
8 4(3 ) 2x x
23 6
x x
Careful!! An exception .?.?.
13 4 ( 2)
3x x
1 1 4
3 2 3
x
3 3 2 9x
Assignment:
P. 1029 53-105 EOO
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