Answer:
Sorry I could only find the answer to the second part.
y=56x
 
        
             
        
        
        
Answer:
attached below is the solution
Step-by-step explanation:
|x| < 7 
= -7 < x < 7
| y | < 3 
= -3< y < 3 
attached below is the shaded region in the xy-plane 
 
        
             
        
        
        
The value of the "6" in 49.62 is in the<u> tenth</u> place
 
        
                    
             
        
        
        
Answer:
f(1) = 81
Step-by-step explanation:
f(n + 1) = 1/3 f(n) 
⇔ f(n) = 3 × f(n + 1)
……………………………
if f(3) = 9  ⇒  f(2) = 3 × f(3) = 3 × 9 = 27
Then
f(1) = 3 × f(2) = 3 × 27 = 81