Answer:
the equation would be 8(m+7)=21
 
        
                    
             
        
        
        
Answer:Decay
Step-by-step explanation: because of perenthesis
 
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation:
Y intercept when x = 0
F(0) = 3 * 4^(0) = 3 * 1 = 3
 
        
             
        
        
        
Since you know what 4×5 is you just have to use the same answer