Inequalities

Read the complete problem, then answer its numbered subtasks.

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Exercise 21

Book 2 · Inequalities

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Լուծել անհավասարումը.

Subtask 1

$54 x x 1 + + \leq 42$ :

1

$] (- \infty; - 0, 5$

2

$] (- \infty; 3, 5$

3

$] (- \infty; - 1, 5$

4

$[1, 5;$ $) + \infty$

Subtask 2

$3 x - 12 \geq 3$ :

1

$[4;$ $) + \infty$

2

$[7;$ $) + \infty$

3

$[1;$ $) + \infty$

4

$() 7; + \infty$

Subtask 3

$x 1 + 32$ $9 \geq 4$ :

1

$[3;$ $) + \infty$

2

$() 1; + \infty$

3

$[1; -$ $) + \infty$

4

$[1;$ $) + \infty$

Subtask 4

$() l g 2 x 62 - >$ :

1

$() 53; + \infty$

2

$() 3; + \infty$

3

$() 47; + \infty$

4

$[53;$ $) + \infty$

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