Answer:
y = -8x² + 8x + 48
Step-by-step explanation:
y= −4(x−3)(2x+4)
y = -8x² + 8x + 48
 
        
             
        
        
        
Answer:
5 (d)
Step-by-step explanation:
 
2(6+4) - 3(5)
2× 10 - 25
20-15 = 5
I hope this helps you.
 
        
             
        
        
        
Answer:
the price per book is $3 the constant of proportionality is 3 
Step-by-step explanation:
12 divided by 4 is 3 and 9 divided by 3 is 3 so it means that the price for 1 book is going to be 3 and for every book you buy the original value will be 3. 
 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
Took the test