Ответ:
x∈[-4; 4]
Объяснение:
,
16t²-257t+16≤0
16t²-256t-t+16≤0
16t(t-16)-(t-16)≤0
(t-16)(16t-1)≤0
1/16≤t≤16
2⁻⁴≤2ˣ≤2⁴
-4≤x≤4
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Ответ:
x∈[-4; 4]
Объяснение:
16t²-257t+16≤0
16t²-256t-t+16≤0
16t(t-16)-(t-16)≤0
(t-16)(16t-1)≤0
1/16≤t≤16
2⁻⁴≤2ˣ≤2⁴
-4≤x≤4