A
B
C
D
Explanation
Correct answer: D.
Choice D is correct. Subtracting from each side of the given equation yields . Therefore, the expression correctly expresses the value of in terms of .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect and may result from conceptual or calculation errors.
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.