f(x) =x²+3x f(-1)=… f(8)=…
            Matematika
            
               
               
            
            
               
               
             
            diana656
         
         
         
                Pertanyaan
            
            f(x) =x²+3x f(-1)=… f(8)=…
               
            
               1 Jawaban
            
            - 
			  	
1. Jawaban tuttus
f (-1) = (-1)² + 3·(-1)
= 1 - 3
= -2
f (8) = 8² + 3·8
= 64 + 24
= 88