Answer:
strictly speaking ... poly means MANY
3x+ 4 is a binomial (bi = 2 parts) 
with only one part it can not be described as a "POLY-nomial"
Step-by-step explanation:
 
        
             
        
        
        
Answer:
14
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
the ratio as a fraction is 45/5 or 9/1
 
        
             
        
        
        
The function is  k(x) = 512 · x .
Try 'A':      k(2/3) = (512) · (2/3) =  341.33...   not 64 
Try 'B':      k(4/9) = (512) · (4/9) =  257.55...    not 16   
Try 'C':      k(1/3) = (512) · (1/3) =  170.66...    not 8
Try 'D':      k(2/9) = (512) (2/9) =  113.77...    not 8 .
So far, it looks like NONE of the choices is correct.
But wait !  There's more !
What if the actual function is                   k(x)  =  512ˣ
that is,  512 raised to the 'x' power ?
That would be a horse of a different cruller.
Let's try THAT out.
First, here are two facts that we'll need:
         ==>  512 ^ 1/3  =  8
and
         ==>  512 ^ 1/9  =  2 .
OK. NOW ...
Try 'A':  k(2/3) = (512) ^ 2/3  =  8^2 = 64             yes !
Try 'B':  k(4/9)  =  (512) ^ 4/9  =  2^4  =  16        yes !
Try 'C':  k(1/3)  =  (512) ^ 1/3  =  8                      yes !
Try 'D':  k(2/9)  =  (512) ^ 2/9  =  2^2  =  4  not  8 .
So here's what we have learned:
-- The function in the question is actually    k(x) = 512 ^ x
-- Choice-D is the incorrect one.
        
             
        
        
        
A) ratio of the perimeters is the same as ratio of corresponding sides, so:
 
 b) ratio of the areas is equal to k² so:
