Mathematics · Number System
If x, y, and z are natural numbers, then the expression 4x + 6y + 9z + 2 is definitely:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1odd if z is odd✓
- 2even if x is even
- 3even regardless of the value of z
- 4odd regardless of the value of z
Correct answer
odd if z is odd
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