Y = kx where k is a constant
27 = k*9
k = 27/9 = 3
required variation is y = 3x
        
                    
             
        
        
        
Answer:
What is the best choice for the equation of the line of best fit shown?
b) y = -1.5x + 23
What would the value of y be for a point at x = 8?
b) 11
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Answer:
with?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5
Step-by-step explanation:
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Answer:
The value of h'(7) = 44 .
Step-by-step explanation:
Given:
f'(7)=9 and g(7)= 5 
We have to find : h'(7) 
Also,
⇔  ...equation (i)
   ...equation (i)
Plugging the value of 'x' = 7 in equation (i) the equation can be re-framed as:
⇔ 
⇔ 
Now plugging the value of f'=(7)=9 and g(7)=5 in the above equation:
⇔ 
⇔ 
⇔ 
So the value of h=(7) = 44 .