1.
Solve
x
+ 4 > 1 or
x
- 7 < 6.
A.
{
x
|
x
< -3 or
x
> 13}
B.
{
x
|
x
< 13}
C.
{
x
|
x
> -3}
D.
all reals
Hint
2.
Solve
x
+ 7 < 5 or
x
+ 6 > 9.
A.
{
x
| -2 >
x
> 3}
B.
{
x
|
x
> -2 or
x
< 3}
C.
{
x
| -2 <
x
< 3}
D.
{
x
|
x
< -2 or
x
> 3}
Hint
3.
Solve the inequality |
f
| > 4.
A.
{
f
| -4 <
f
< 4}
B.
{
f
|
f
< -4 or
f
> 4}
C.
{
f
|
f
> -4 or
f
< 4}
D.
{
f
| -4 >
f
> 4}
Hint
4.
Solve the inequality | 5
x
+ 2 |
12.
A.
B.
C.
D.
Hint
5.
Solve the inequality –13 < -5
x
– 3 < 17.
A.
{
x
| -2 <
x
< 4}
B.
{
x
| 4 >
x
> -2}
C.
{
x
| -4 <
x
< 2}
D.
{
x
| 2 <
x
< -4}
Hint