Answer:
Every value of x.
Step-by-step explanation:
The function is a zero-order polynomial, whose value remains constant for all value of x.
k = -23
-14=k+9
Subtract 9 from each side
-14-9 = k+9-9
-23 = k
The line is horizontal and the slope is 0.
Any line that is horizontal has a slope of 0.
