For all real integers, which of the following is always an even number? I. x 3 +
Question:
For all real integers, which of the following is always an even number?
I. x3 + 4
II. 2x + 4
III. 2x2 + 4
A. I only
B. II only
C. III only
D. I and II only
E. II and III only
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The correct answer is E Integers can be even or odd and positive or ...View the full answer
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