If 3^x>10, which of the following must be true?
I. x>2 II. x>3 III. x>4
A. I only
B. II only
C. III only
D. I and II only
E. I, II, and III
=> 3^x > 10 > 3^2
Thus x > 2
Ans: A
I. x>2 II. x>3 III. x>4
A. I only
B. II only
C. III only
D. I and II only
E. I, II, and III
=> 3^x > 10 > 3^2
Thus x > 2
Ans: A
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