Answer:
<h3>Some Points about this Formula :- </h3>
- The formula given here is the definition of the derivative in calculus. The derivative measures the rate at which a quantity is changing.
-  For example, we can think of velocity, or speed, as being the derivative of position - if you are walking at 3 miles (4.8 km) per hour, then every hour, you have changed your position by 3 miles.
<h3>To know the solution,Refer to the above attachment . </h3>
 
        
             
        
        
        
Answer:
60miles
Step-by-step explanation: