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ksena24
@ksena24
July 2022
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Установить соответствие (см. прикрепленный файл) Если можно- с кратким пояснением решения
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Verified answer
1.
a) 3-2x≥0
-2x≥-3
x≤1.5
b) x² -1≠0
x²≠1
x₁≠ 1
x₂≠ -1
(-∞; -1)U(-1; 1)U(1; 1.5]
1 - D.
2.
a) 3-2x≥0
x≤1.5
b) x-1>0
x>1
(1; 1.5]
2 - A
3.
(3-2x)(x+1)≥0
-2(x-1.5)(x+1)≥0
(x-1.5)(x+1)≤0
x=1.5 x= -1
+ - +
--------
-1 ------------- 1.5
------------
\\\\\\\\\\\\\\
[-1; 1.5]
3 - Г.
4.
a) 3-2x≥0
x≤1.5
b) x+1>0
x> -1
(-1; 1.5]
4 - Б.
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Answers & Comments
Verified answer
1.a) 3-2x≥0
-2x≥-3
x≤1.5
b) x² -1≠0
x²≠1
x₁≠ 1
x₂≠ -1
(-∞; -1)U(-1; 1)U(1; 1.5]
1 - D.
2.
a) 3-2x≥0
x≤1.5
b) x-1>0
x>1
(1; 1.5]
2 - A
3.
(3-2x)(x+1)≥0
-2(x-1.5)(x+1)≥0
(x-1.5)(x+1)≤0
x=1.5 x= -1
+ - +
-------- -1 ------------- 1.5 ------------
\\\\\\\\\\\\\\
[-1; 1.5]
3 - Г.
4.
a) 3-2x≥0
x≤1.5
b) x+1>0
x> -1
(-1; 1.5]
4 - Б.