I think this is the answer
Answer:
slope = -4
Step-by-step explanation:
Given the following points on the graph: (-1, 4) (1, -4)
Let (x1, y1) = (-1, 4)
(x2, y2) = (1, -4)
Use the following slope formula:


Therefore, the slope of the line is -4
First simplify the expression.
1/3(1,650+0.15c)
550+0.05c
Answer is A
Hope this helps!