Explanation
Correct answer: A.
Choice A is correct. It's given that the four odd integers are consecutive, ordered from least to greatest, and that the first odd integer is represented by . It follows that the second odd integer is represented by , the third odd integer is represented by , and the fourth odd integer is represented by . Therefore, the product of and the fourth odd integer is represented by , and less than the sum of the first and third odd integers is represented by . Since the product of and the fourth odd integer is at most less than the sum of the first and third odd integers, it follows that .
Desmos solution:
Note: If the first odd integer is x, the next three are x+2, x+4, and x+6.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice B
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D
Choice D is incorrect and may result from conceptual or calculation errors.