Answer:
R={-1, -11, 7}
Step-by-step explanation:
-2(2)^2+7=
-2(4)+7=
-8+7=
-1
-2(-3)^2+7=
-2(9)+7=
-18+7=
-11
-2(0)^2+7=  
-2(0)+7=
0+7=
7
 
        
             
        
        
        
Answer:
The function is increasing on the interval [-2,1]
Step-by-step explanation:
 
        
             
        
        
        
Answer:
the answer will be 3.5 i think
Step-by-step explanation:
 
        
             
        
        
        
Answer:
-2.16 repeating
Step-by-step explanation:
Convert the fraction to a decimal by dividing the numerator by the denominator.