A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. of can be calculated as , which is equivalent to , or .
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect. This is , not , of .
Choice C
Choice C is incorrect. This is , not , of .
Choice D
Choice D is incorrect. This is , not , of .