the equivalent expression is C
 
        
             
        
        
        
The input is the hours and the out put is the cost.
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Eliminating the parameter, the equation is 
Step-by-step explanation:
We are given the following parametric equations:


We want to eliminate the parameter t. From the first equation:


Replacing in the second equation:


Eliminating the parameter, the equation is 