Answer:
f(0) = 31
Step-by-step explanation:
We are given the following function:

f(0).
This is the value of f when  . So
. So

So f(0) = 31
 
        
             
        
        
        
Answer:
Please try writing your question properly.
Step-by-step explanation:
I will help you in solving it.
 
        
             
        
        
        
B. it’s the change in y over the change in x
        
             
        
        
        
Answer:
khanya pays higher
Step-by-step explanation:
You have to find the $/hr ratios: 
khanya's is 480/8->$60/hr
rex's is 660/12->%55/hr
Khanya pays the higher rate