Power and chain rule (where the power rule kicks in because  ):
):

Simplify the leading term as

Quotient rule:

Chain rule:


Put everything together and simplify:







 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
D
Step-by-step explanation:
 
        
             
        
        
        
The correct answer is C. Aimee used the Associative and Commutative properties to put numbers that are easy to add next to each other.
        
             
        
        
        
12! / 4! 
= 1×2×3×4×5×6×7×8×9×10×11×12 / 1×2×3×4
= 5×6×7×8×9×10×11×12 = 19958400