Answer:
when x = -1,  y = -3 
when x = -1,  y = -1
when x = -1,  y = 1
when x = -1,  y = 3
Step-by-step explanation:
x = -1;  plug in y = 2(-1) - 1 = -2 - 1 = -3
x = 0;  plug in y = 2(0) - 1 = 0 - 1 = -1
x = 1;  plug in y = 2(1) - 1 = 2 - 1 = 1
x = 2;  plug in y = 2(2) - 1 = 4 - 1 = 3
 
        
             
        
        
        
The answer would be the first choice 4+b
        
             
        
        
        
Answer:
x=10
Step-by-step explanation:
 
        
                    
             
        
        
        
We're told that



where the last fact is due to the law of total probability:



so that  and
 and  are complementary.
 are complementary.
By definition of conditional probability, we have



We make use of the addition rule and complementary probabilities to rewrite this as


![\implies P(B)-[1-P(A\cup B)^C]=[1-P(B)]-P(A\cup B^C)](https://tex.z-dn.net/?f=%5Cimplies%20P%28B%29-%5B1-P%28A%5Ccup%20B%29%5EC%5D%3D%5B1-P%28B%29%5D-P%28A%5Ccup%20B%5EC%29)
![\implies2P(B)=2-[P(A\cup B)^C+P(A\cup B^C)]](https://tex.z-dn.net/?f=%5Cimplies2P%28B%29%3D2-%5BP%28A%5Ccup%20B%29%5EC%2BP%28A%5Ccup%20B%5EC%29%5D)
![\implies2P(B)=[1-P(A\cup B)^C]+[1-P(A\cup B^C)]](https://tex.z-dn.net/?f=%5Cimplies2P%28B%29%3D%5B1-P%28A%5Ccup%20B%29%5EC%5D%2B%5B1-P%28A%5Ccup%20B%5EC%29%5D)


By the law of total probability,


and substituting this into  gives
 gives
![2P(B)=P(A\cup B)+[P(B)-P(A\cap B)]](https://tex.z-dn.net/?f=2P%28B%29%3DP%28A%5Ccup%20B%29%2B%5BP%28B%29-P%28A%5Ccap%20B%29%5D)


 
        
             
        
        
        
13,632 ÷ 48 equals to 284