In the top the "f(x)" equals 9, now they are asking you to add onto the 9 by 1 causing it to be 10. If you did the first few you would have noticed that it takes 9 in order to get to 5 from -4. 
here are the answers btw: 
 
        
             
        
        
        
Answer:
243 and 2 over 5 
Multiply 
(−243) and 2 over 5 . −486 over 5.
Move the negative in front of the fraction.
−486 over 5 
Exact Form: 
-486 over 5 
Decimal Form: 
-97.2
Mixed Number Form: 
-97 and 1 over 5 
 
        
             
        
        
        
Answer:
anything above 7 or not equivalent to 7 can be the answer 
Step-by-step explanation:
8÷7=a undifined number but if it is 7÷7 its 1 and if you got 7÷1 it is 7 so anything other than those answers should be it
 
        
             
        
        
        
155 degrees is the answer
        
             
        
        
        
The value of x is the variable of the number it is closer to