A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. Subtracting from each side of the given equation yields . Thus, the equation correctly expresses in terms of and .
Desmos solution:
Note: Test the answer choices at the listed values; only choice B's expression matches the fitted p value.
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect. This equation can be rewritten as .
Choice C
Choice C is incorrect. This equation can be rewritten as .
Choice D
Choice D is incorrect. This equation can be rewritten as .