Answer:
20
Step-by-step explanation:
A=20
 
        
             
        
        
        
Answer: The correct option is the third one; y=10(0.13)^x
 
        
             
        
        
        
Answer:
Yes
Step-by-step explanation:
It passes the vertical line test.
if you draw vertical lines, it should hit the function only once, if it hits coordinates with the same x value (for example, (1,2) and (1,3)), it is not a function.
In the graph, each x value is only hit once.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:

We have:
 <em> subtract 7a from both sides</em>
          <em> subtract 7a from both sides</em>

 <em>add 3 to both sides</em>
           <em>add 3 to both sides</em>
