Answer:
a
Explanation:
tangent gives the value of slope
tan=y/x
4000/10=400
Since the direction of the line is left, there is minus before the slope value.
Use the start and end point of the line.
(0, 4000) and (10,0)
Slope = change in y over the change in x
Slope = 0-4000 / 10-0
Slope = -4000/10
Slope = -400
The answer is A
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