Your answer will turn out to be −4x^2+3x.
 
        
                    
             
        
        
        
Answer:
Identity property
Step-by-step explanation:
Identity property of multiplication: The product of 1 and any number is that number. For example, 7 × 1 = 7 7 \times 1 = 7 7×1=77, times, 1, equals, 7.
I hope it's helpful!
 
        
             
        
        
        
Answer:
B) 0.24
Step-by-step explanation:
As we plot the point on the best fit line for the concentration of 0.2 the absorbance level predicted should be 0.24.
 
        
             
        
        
        
Should be D. Let me know if you need more of an explanation.
        
             
        
        
        
ANSWER
B. 1
EXPLANATION
The given function is 

This is a piece-wise defined function.
We want to find f(1)
We substitute x=1 into f(x)=x because, 1 belongs to the interval,
1≤x≤5
f(1)=1
The correct answer is B.