332 algebra De mystif ieD
Solve the double inequality and give the solution in interval notation.
16 < 4(2x - 1) ≤ 20
( )
16 42 120
16 8420
444
20
<≤
<≤
+++
x
x
<<≤
<≤
<≤
824
20
8
8
8
24
8
5
2
3 5
2
3
x
x
x
,
Solve the double inequality and give the solution in interval notation.
-< 2 -^1 -<
2
() 45 x 2
-<- -<
-<-+<
---
-<-<-
2 1
2
452
225
2
2
5
2
5
2
5
2
9
2
2 1
2
()
x
x
x
()
- ⋅- >- ->- ⋅-
>> <<
1
2
9
2
1
2
2 1
2
1
2
9
4
1
4
1
4
9
4
1
x
xxor
44
9
4
,
Solve the double inequality and give the solution in interval notation.
2 51
4
< x- < 6