On a certain machine,an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output of 0. which of the following phrases describes the function rule? A.Multiply the input by 2. B.Multiply the input by -2. C.Multiply the input by -1 and then subtract 3. D.Multiply the input by -1 and than add 2.