Parent function: y=2^x
Transformations:
Reflection over x-axis
Vertical stretch of 3
Right 1
Up7
        
             
        
        
        
Answer:
B
Step-by-step explanation:
P(AUB)=P(A)+P(B)-P(A∩B)
191/400=7/20+P(B)-49/400
P(B)=191/400+49/400-7/20=240/400-7/20=12/20-7/20=5/20=1/4
 
        
             
        
        
        
0.78 strikeouts per minute
        
             
        
        
        
I hope this helps you 
(x-5)(x+1)