1) (y - 3)(y - 6) ≤ 0
+ - +
________[3]_________[6]________
//////////////////////
Ответ : y ∈ [3 ; 6]
2) (2x + 16)(14 - x) < 0
2(x + 8)(x - 14) > 0
(x + 8)(x - 14) > 0
________( - 8)________(14)_______
//////////////////// /////////////////
Ответ : x ∈ ( - ∞ ; - 8) ∪ (14 ; + ∞)
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Verified answer
1) (y - 3)(y - 6) ≤ 0
+ - +
________[3]_________[6]________
//////////////////////
Ответ : y ∈ [3 ; 6]
2) (2x + 16)(14 - x) < 0
2(x + 8)(x - 14) > 0
(x + 8)(x - 14) > 0
+ - +
________( - 8)________(14)_______
//////////////////// /////////////////
Ответ : x ∈ ( - ∞ ; - 8) ∪ (14 ; + ∞)