Holy @$#% THAT LOOKS HARD! Sorry, I can't help I don't know that math yet. 
        
             
        
        
        
Answer:
   x ≤ 1
Step-by-step explanation:
Swapping sides of the inequality requires reversing its sense.
If 1 is greater than x, then x is less than 1.
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
f'(x)=-sin x

c=0∈(-π/3,π/3)
 
        
             
        
        
        
Answthe 2 at the bottom go to Not a polynomial
Step-by-step explanation: