Answer:
- yirsurusitr
Step-by-step explanation:
f
- fftzethatwtk
- dg5teyd5lwey Hrhht c.f.rsxtmrshzt fsfyrscytn
 
        
             
        
        
        
A) the posible roots of the function f(x)=x⁴-3x³-5x²+21x+22 are: 
=-1,+1,-2,+2,-11,+11,-22+22.
b)
one zero of the funtion can be: x=-1 ⇒y=0  
 (-1,0)c)
other zero of the funtion is: x=-2 ⇒y=0
  (-2,0)d)
if x=0 then y=22   
(0,22)
e) In the file is the graph. 
 
        
        
        
Answer:
The rational function that is graphed is B
 
        
                    
             
        
        
        
The answer is A since -12 is added on both sides. And when adding with negatives you ALWAYS take the sign of the bigger number :)
        
             
        
        
        
Answer:
D
Step-by-step explanation: