Plug into y-y1=m(x-x1)
y+4=4(x-4)
        
             
        
        
        
Answer:
the answer is 4,500kgm/s2
Step-by-step explanation:
force= mass × acceleration

 
        
             
        
        
        
Answer:
3 ft
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Third graph in the photo
Step-by-step explanation:
x^2+3x-4 can be factored as (x+4)(x-1). When y=0, x must be -4 or 1 to satisfy the equations, and thus the roots of the graph are at x=-4 and x=1. When x=0, y=(4)(-1)=-4. The only graph that satisfies both of these requirements is the third/last one.