Answer:
The answer to your question is the letter A
Explanation:
Following the description, I understand that the input is "t", then,
A) This is the right answer because the equation is exactly what describes the sentence.
B) This choice is incorrect because in the second term it is not necessary to square t.
C) This choice is incorrect because both terms are square and that is not in the description.
D) This choice is wrong because the second term is subtracted and it must be added to the first term.