The compare is hat they both have the same y-intercept, the contrast is that tone line is positive and the other line is negative
Solution :
It is given that P(x) is said to be complete or proper probability distribution if it satisfies the following two ways :
1. 
2. 
Now consider,

⇒ 
⇒ 
⇒ 
⇒ 
= 0.2
Therefore, the value of T is 0.2
Thus, option (c) is correct.
X=(-4,0)
y=(0,9)
hope this helps
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