Answer: No slope
Step-by-step explanation: The line is going straight down.
 
        
                    
             
        
        
        
To check for continuity at the edges of each piece, you need to consider the limit as  approaches the edges. For example,
 approaches the edges. For example,

has two pieces,  and
 and  , both of which are continuous by themselves on the provided intervals. In order for
, both of which are continuous by themselves on the provided intervals. In order for  to be continuous everywhere, we need to have
 to be continuous everywhere, we need to have

By definition of  , we have
, we have  , and the limits are
, and the limits are


The limits match, so  is continuous.
 is continuous.
For the others: Each of the individual pieces of  are continuous functions on their domains, so you just need to check the value of each piece at the edge of each subinterval.
 are continuous functions on their domains, so you just need to check the value of each piece at the edge of each subinterval.
 
        
             
        
        
        
The temperature must rise 5 degrees to reach the original temperature
        
                    
             
        
        
        
Answer:
3/2 or 1.5
Step-by-step explanation:
Change in y/ Change in x
3/2
1.5
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To convert from a fraction to a percent,
You just need to divide the fractions then multiply the product by 100. 
Examples:
1. What is 3/4 in percent?
a. 3/4 = 0.75 x 100 = 75%
b. 45/98 = 0.46 x 100 = 46&
c. 60/100 = 0.6 x 100 = 60%
d. 1/5 = 0.2 x 100 = 20&
e. 6/99 = 0.06 x 100 = 6%