Find the derivative of the function using the definition of derivative.
-$$f ( x ) = - 5$$
A) $f ^ { \prime } ( x ) = 0$
B) $f ^ { \prime } ( x ) = 1$
C) $f ^ { \prime } ( x ) = - 5$
D) $f ^ { \prime } ( x ) = - 5 x$

Question

Quizplus · Accepted Answer

The derivative of a constant function is always 0, because the slope of the line representing a constant function is 0.

Find the Derivative of the Function Using the Definition of Derivative