Given f(3) = 5x + 5, find f(-4).
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
f(-14)=-15
Step-by-step explanation:
What ever is in the parentheses after the letter (in this case it's f) will be the x value since f(x).
So 
f(-4)=5(-4)+5
Then solve.
f(-4)=-20+5
f(-4)=-15
-15
 
                                
             
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