㏒₁/₂㏒₃(x-46) ≥ -1 ОДЗ х-46>0 x> 46
㏒₃(x-46) ≤ (1/2)⁻¹
㏒₃(x-46) ≤ 2
x-46 ≤ 3²
x≤ 9+46
x ≤ 55
Ответ: х∈ (46; 55]
с) log₀.₅ log₃(x - 46) ≥ -1
ОДЗ: х > 46 и log₃(x - 46) > 0
log₀.₅ log₃(x - 46) ≥ -log₀.₅(0.5)
log₀.₅ log₃(x - 46) ≥ log₀.₅(0.5)⁻¹
log₀.₅ log₃(x - 46) ≥ log₀.₅2
log₃(x - 46) ≤ 2
log₃(x - 46) ≤ log₃9
x - 46 ≤ 9
x ≤ 46 + 9
Ответ: х ∈ (46; 55}
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Verified answer
㏒₁/₂㏒₃(x-46) ≥ -1 ОДЗ х-46>0 x> 46
㏒₃(x-46) ≤ (1/2)⁻¹
㏒₃(x-46) ≤ 2
x-46 ≤ 3²
x≤ 9+46
x ≤ 55
Ответ: х∈ (46; 55]
Verified answer
с) log₀.₅ log₃(x - 46) ≥ -1
ОДЗ: х > 46 и log₃(x - 46) > 0
log₀.₅ log₃(x - 46) ≥ -log₀.₅(0.5)
log₀.₅ log₃(x - 46) ≥ log₀.₅(0.5)⁻¹
log₀.₅ log₃(x - 46) ≥ log₀.₅2
log₃(x - 46) ≤ 2
log₃(x - 46) ≤ log₃9
x - 46 ≤ 9
x ≤ 46 + 9
x ≤ 55
Ответ: х ∈ (46; 55}