An electronic device is to be operated in an environment with relative humidity h in the interval defined by
. What are the minimum and maximum relative humidities for the operation of this device?
?
A. 70 ? h ? 130
B. 80 ? h ? 140
C. 60 ? h ? 120
D. 30 ? h ? 80
E. 50 ? h ? 110
Answer: E
Mathematics
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