1.
Which graph show the solution set of the compound inequality
4
x
- 7 < 2
x
and 3
x
+ 5
>
-1?
A.
B.
C.
D.
Hint
2.
The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number.
A.
{
x
| -5
<
x
<
1}
B.
{
x
| -5 <
x
<
1}
C.
{
x
| -5 <
x
< 1}
D.
{
x
|
x
<
-5 or
x
>
1}
Hint
3.
Solve –10 < 2
x
– 8 < 8.
A.
{
x
| -9 <
x
< 0}
B.
{
x
| -9 <
x
< 8}
C.
{
x
| -1 <
x
< 8}
D.
{
x
| -1 < x < 6}
Hint
4.
Solve
or
A.
{
x
|
x
< 12}
B.
{
x
|
x
> 15}
C.
{
x
|
x
> 12}
D.
{
x
|
x
< 15}
Hint
5.
Solve –7
x
+ 5 < 40 or –5
x
+ 2 > 42.
A.
{
x
|
x
< -5 or
x
B.
{
x
|
x
> -245 or
x
< -200}
C.
{
x
|
x
< -8 or
x
> -5}
D.
{
x
|
x
> -8}
Hint