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B
C
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E
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Difficulty—
If k is an odd integer, which of the following must be an even integer?
A k2 − 4
B 3k + 2
C 2k + 1
D (12k)/8
E (6k)/3
You can solve by substituting an even number, 0, into each of the options. Only C gives an even result hence C is the right answer.
A k2 − 4
B 3k + 2
C 2k + 1
D (12k)/8
E (6k)/3
You can solve by substituting an even number, 0, into each of the options. Only C gives an even result hence C is the right answer.
