Answer:
3 
Step-by-step explanation:
3 is a function because of the way associated with the second set 
 
        
             
        
        
        
Answer:
38°
Step-by-step explanation:
Delta math 
 
        
             
        
        
        
Answer:
Value of x will be 0.1515
Step-by-step explanation:
We have given the equation 
We have top fond the value of x using exponent and logarithmic property 
So 



Taking log both side


x = 0.1515
 
        
             
        
        
        
(a) 6 hours and 45 minutes 
(b) 2 hours and 35 minutes 
(c) 2 hours and 40 minutes 
(d) 3 hours and 20 minutes