Answer:
f(x) = -2|x| + 1 
Step-by-step explanation:
The graph shifts one unit up the y axis since there's a value outside the absolute value which directly adds 1 to it.
 
        
             
        
        
        
Step-by-step explanation:
Our roots are 3, and i so our roots form 
 will be 

Since i is one root, it conjugate, must be the other.
so we have

Simplify 


So the function is
