Answer 
A 64
Step-by-step explanation:
you first multiply 8 times 8 .witch i got 64 so the height is 64
 
        
                    
             
        
        
        
Easiest way is if you have a graphing calculator, but if not. Simply plug in values for x, starting at -2 for this equation, and then find the corresponding y values. Then plot.
        
             
        
        
        
Step-by-step explanation:
Make sure to see the photo I tried to explain every part there
 
        
             
        
        
        
A because we all know the intersection of sin is always in (0,0) but in this case it is different