A) h=9.9
if that's not correct, i've done these before, i don't know why it wouldn't work?
        
             
        
        
        
Answer:
x + 3
Step-by-step explanation:
It cuts the y axis at 3 and continues to rise by one
Therefore ax + b gives us 1x + 3 = x + 3
 
        
             
        
        
        
All you have to do is find the relationships between the top and bottom and then find how they all r in common