A
B
C
D
Explanation
Correct answer: D.
Choice D is correct. The term represents twice the number of CDs that Cathy has, and adding represents more than that amount.
Desmos solution:
Note: The expression 2n+3 directly translates “twice the number of CDs Cathy has” plus 3 more.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect. The expression represents three times the number of CDs that Cathy has, not twice the number plus .
Choice B
Choice B is incorrect. The expression represents three times the number of CDs that Cathy has, not twice the number plus .
Choice C
Choice C is incorrect. Subtracting represents fewer than twice the number of CDs that Cathy has, not more.