Y=2
If u r finding the equation of horizontal lines it is y=
If u r finding the equation of horizontal lines it is x=
Then just see what point the horizontal or verticals line I passing through, in this case it is positive 2
        
             
        
        
        
Complete Question 
The complete question s shown on the first uploaded image 
Answer:
Correct option is B
Step-by-step explanation:
Generally the respond dependent variable can be defined as a variable whose values are dependent on the changes in other variable 
Now in this question the respond (dependent) variable is the cost of meal , this because from the question the interest of Zagat is to  predict the cost of a meal from the Zagat service rating
So in this case  the independent variable is  Zagat service rating 
 While the responds dependent variable  is  cost of meal
 
        
             
        
        
        
Answer:

Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
I believe the correct answer is D