Answer:
Step-by-step explanation:
Given is a table of x, f(x) as below
x             1   3   4   6   7  9  10
f(x)         4   8  6  10  10  12  16
Mid pt      6   7   8  10   11  14
width of
interval    2   1     2   1    2    1
dA1         12   7   16  10  22  14
area = area of all rectangles= 81 sq units.
 
        
             
        
        
        
Answer:

Step-by-step explanation:
We have the two functions: 

And we want to find (f-g)(x). 
(f-g)(x) is equivalent to f(x)-g(x). 
Therefore: 

Simplify: 

Therefore: 

 
        
                    
             
        
        
        
Answer:
165 pennies
Step-by-step explanation:
250/1.52=164.473684211, but just round it to the nearest whole number whitch would be 165!
 
        
             
        
        
        
Answer:
82 degrees
Step-by-step explanation:
Hope this helps! ^^