D) Function A is non-linear and Function B is linear.
 
        
                    
             
        
        
        
Answer:
$42.40
Step-by-step explanation:
The horizontal axis is in fractions.
The three lightest are two   pounds & one
 pounds & one   pounds. Each cost $4.40 per pound.
 pounds. Each cost $4.40 per pound.
So cost = 4.40(5/8+5/8+6/8) = $8.8
Remaining costs 4.80 per pound. We add up the remaining and multiply by 4.80 to get their cost.
cost = 
Hence, total cost  =  8.8 + 33.6 = $42.40
 
        
             
        
        
        
I believe the answer is B.
        
             
        
        
        
An= A1 r ^(n-1)
An= -4 (-3)^(n-1)
An= -4 (-3)^(7-1)
An= -4 (729)
An= -2916
I think this is right :)
        
             
        
        
        
Answer: I believe it would be 15.42
Step-by-step explanation: