Answer:
Option D
Step-by-step explanation:
Option A and Option B are completely wrong because the word Linear represent a straight line graph and the figure in the question that is given is not a straight line.
Option C is wrong because the graph in the figure is decreasing there is an arrowhead at (3 , -6) it shows the graph is going downwards increasing its negative value hence decreasing
Option D is correct because all the other three options are wrong and hence the arrow the figure is decreasing and non linear.