Which expression better defines: Function ? A. Two numbers written in a certain order."

B. Aspecial relationship where each input has a single output.

C. The "output" value of a function.

D. The set of y-values of a function or relation.

E. None of the other answers are correct

Which expression better defines (Arithmetic sequence)

A. A function for which every element of the range of the function corresponds to exactly one element of the domain.

B. A sequence made by adding the same value each time

C. None of the other answers are correct

D. A test to determine if a function is one-to-one"

E. Aspecial relationship where each input has a single output