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Solve the inequality for [tex]$x$[/tex] and identify the graph of its solution.

[tex]\[ |x+2|\ \textless \ 2 \][/tex]

Choose the answer that gives both the correct solution and the correct graph.

A. Solution: [tex]$x\ \textgreater \ -4$[/tex] and [tex]$x\ \textless \ 0$[/tex]

B. Solution: [tex][tex]$x\ \textgreater \ -4$[/tex][/tex] and [tex]$x\ \textless \ 0$[/tex]

C. Solution: [tex]$x\ \textless \ -4$[/tex] or [tex][tex]$x\ \textgreater \ 0$[/tex][/tex]

Sagot :

To solve the inequality [tex]\( |x+2| < 2 \)[/tex], we need to understand the properties of absolute values. The absolute value inequality [tex]\( |A| < B \)[/tex] can be rewritten as two combined inequalities: [tex]\( -B < A < B \)[/tex].

### Step-by-Step Solution:

1. Rewrite the Inequality:
[tex]\[ |x + 2| < 2 \][/tex]
This can be rewritten as:
[tex]\[ -2 < x + 2 < 2 \][/tex]

2. Isolate [tex]\(x\)[/tex] in the Inequality:
To isolate [tex]\(x\)[/tex], subtract 2 from all parts of the inequality:
[tex]\[ -2 - 2 < x + 2 - 2 < 2 - 2 \][/tex]
Simplifying this gives:
[tex]\[ -4 < x < 0 \][/tex]

### Solution:

The solution to the inequality is:
[tex]\[ -4 < x < 0 \][/tex]

### Graphing the Solution:

On a number line, this solution translates to:
- An open interval from [tex]\( -4 \)[/tex] to [tex]\( 0 \)[/tex], meaning [tex]\( x \)[/tex] lies between [tex]\( -4 \)[/tex] and [tex]\( 0 \)[/tex], but does not include [tex]\( -4 \)[/tex] and [tex]\( 0 \)[/tex] themselves.

### Match with Given Choices:

- A states: [tex]\( x > -4 \)[/tex] and [tex]\( x < 0 \)[/tex].

While the description [tex]\(x > -4\)[/tex] and [tex]\(x < 0\)[/tex] correctly describes the solution, this repetition suggests there might be a typo hence the same option repeated is considered again.

- B states: [tex]\( x > -4 \)[/tex] and [tex]\( x < 0 \)[/tex].

Similar point again as in A.

- C incorrectly states: [tex]\( x < -4 \)[/tex] or [tex]\( x > 0 \)[/tex]. This describes a different set of solutions outside of our desired interval.

Therefore, the correct choice is:

A. Solution: [tex]\( x > -4 \)[/tex] and [tex]\( x < 0 \)[/tex]
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