
In order to be differentiable everywhere,  must first be continuous everywhere, which means the limits from either side as
 must first be continuous everywhere, which means the limits from either side as  must be the same and equal to
 must be the same and equal to  . By definition,
. By definition,  , and
, and


so we need to have  .
.
For  to be differentiable at
 to be differentiable at  , the derivative needs to be continuous at
, the derivative needs to be continuous at  , i.e.
, i.e.

We then need to have

Then

 
        
             
        
        
        
Answer: 544 ft²
Step-by-step explanation: 17*32=544 and ft*ft=ft² so it is 544 ft²
 
        
             
        
        
        
This could be a parallelogram , a rhombus ( if all sides are equal) or a kite.
        
             
        
        
        
Answer:
Cups of soup to be prepared = 320
Step-by-step explanation:
Using equivalent ratios
2:5 = X:800
X = (800 x 2)/5 = 320 cups
Cups of soup to be prepared = 320