Answer:
4 x 100 = 400
400 ÷100 = 4
B= 100
Step-by-step explanation:
 
        
             
        
        
        
a. The  component tells you the particle's height:
 component tells you the particle's height:

b. The particle's velocity is obtained by differentiating its position function:

so that its velocity at time  is
 is

c. The tangent to  at
 at  is
 is

 
        
             
        
        
        
Answer:
12:00pm
Step-by-step explanation:
at 11am,the bottle is empty. the bottle fills in intervals of 1/4 every 30 minutes