F(13) means x equals 13.
Replace x in the equation with 13 and solve:
-13 + 3 = -10
F(13) = -10
 
        
                    
             
        
        
        
Answer:17
Step-by-step explanation:
tommy  was 14 ten years ago 2times old as ron.14/2=7 . so we add the 10 years ron is 17..c;
 
        
                    
             
        
        
        
Answer:2
Step-by-step explanation;
 
        
                    
             
        
        
        
<span>D.
 p + 6.25p = 31.86</span>