Answer: 
1. f(x) = -2x^2-12x-19
2. f(x)= 2x^2+12x+17
3. f(x)= -2x^2+12x-17
4. f(x)= 2x^2-12x+17
Step-by-step explanation:
Just took the same test. :)
 
        
                    
             
        
        
        
3. .5*60 because .5 represents the 5% and "of" stands for multiplication
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
Since 5/3 is an inproper fraction it then becomes 1 2/3 and if you put both of the fractions into a common denominator you get 1 16/24>15/24
Please give me a thanks if you feels it is the right answer
        
             
        
        
        
Answer:
8 days
Step-by-step explanation:
90/3 = 30 mi/day
240/30 = 8 days