Answer:
g(-3)=9
Step-by-step explanation:
Replace all of the (x) with -3 
So the new equation 
g(-3)= -2(-3)+3 
Now simplify 
g(-3)= 6+3 
Simplify further 
g(-3)= 9
Hope this helps! 
 
        
             
        
        
        
Answer:
i think it a or b but i might be wrong
Step-by-step explanation:
sry if it is wrong tho
 
        
                    
             
        
        
        
1. 15x
2. 21
3. 4 
You’re welcome