Give an Appropriate Answer $\lim _ { x \rightarrow \theta } f ( x ) = 1$

Give an appropriate answer.
-Suppose $\lim _ { x \rightarrow \theta } f ( x ) = 1$ and $\lim _ { x \rightarrow \theta } g ( x ) = - 3$ . Name the limit rules that are used to accomplish steps (a) , (b) , and (c) of the following calculation.

A)
(a) Difference Rule
(b) Power Rule
(c) Sum Rule

B)
(a) Quotient Rule
(b) Difference Rule, Sum Rule
(c) Constant Multiple Rule and Power Rule

C)
(a) Quotient Rule
(b) Difference Rule
(c) Constant Multiple Rule

D)
(a) Quotient Rule
(b) Difference Rule, Power Rule
(c) Constant Multiple Rule and Sum Rule