Is the function $$f : R \rightarrow R$$ even ?
I) f (-5) = f(S)
II) f(-10) = - f(10 )

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if both the statements I and II are sufficient to answer the question but neither statement alone is sufficient.

D

if both the statements I and II together are not sufficient to answer the question and additional data is required.