Answer:
5
Step-by-step explanation:
 
        
             
        
        
        
8a . the  constant of proportionality is 2. 8b . the constant of proportionality is 3. 9. Nathan should order 1 cup of each food on the chart. <span />
        
             
        
        
        
Answer:
2x+h
Step-by-step explanation:
f(x+h) means that wherever there's an x in the function f(x) we plug in a x+h
we have
(x+h)²+9
Let's start with the numerator
(x+h)²+9-(x²+9)
Distribute the exponent
x²+2xh+h²+9-x²-9
Which gives us
2xh+h²
Divide the whole thing by h to give us
2x+h
 
        
             
        
        
        
Answer:
c. 500
Step-by-step explanation:
125+125=250
250+125=375
375+125=500