F^1(-2) = 2(-2) = -4
f(-4) = 1/2 * -4 =  -2
f(f^-1(x)) = x    so answer is  -2
        
                    
             
        
        
        
Answer:
I think it would be A
Step-by-step explanation:
Because 9/6 is 1.5 and when you do 3/2 it is also 1.5.
I hope this helps
 
        
             
        
        
        
Answer:
3.025 = 3.03
Step-by-step explanation:
A = (3.14)(r)(r)
28.74/3.14 = 9.152866
3.025 = r