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3t > 3 - 6
3t > -3
t > -1
t kuadrat > 1................ (i)
3t + 6 < 18
3t < 18 - 6
3t < 12
t < 4
t kuadrat < 16.............. (ii)
sehingga;
1 < t kuadrat < 16
jawaban nya A
semoga benar ya..
• 3 - 6 < 3t < 18 - 6
• -3 < 3t < 12
• -3/3 < t < 12/3
• -1 < t < 4
• (-1)² < (t)² < (4)²
• 1 < t² < 16 #A