Finding the Rate of Elevation on a Bicyclist's Path

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SUMMARY

The discussion centers on calculating the rate of elevation for a bicyclist's path defined by the function f(x) = 0.04(8x - x^2). The key task is to find the derivative of this function at the point x = 2 to determine the rate of elevation. Participants emphasize the importance of showing work to validate calculations and suggest that the user clarify the equation provided by their teacher for accurate assistance.

PREREQUISITES
  • Understanding of calculus concepts, specifically derivatives.
  • Familiarity with polynomial functions and their properties.
  • Basic knowledge of how to apply the derivative to real-world scenarios.
  • Experience with interpreting mathematical functions in the context of physical movement.
NEXT STEPS
  • Learn how to calculate derivatives using the power rule.
  • Study the application of derivatives in real-world contexts, such as physics and engineering.
  • Explore the concept of critical points and their significance in function analysis.
  • Review examples of finding rates of change in various mathematical functions.
USEFUL FOR

Students studying calculus, particularly those learning about derivatives and their applications in real-world scenarios, as well as educators seeking to guide students through similar problems.

RunnerDP
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Homework Statement


Hi everyone, I am new to calculus. I was recently assigned some homework and am having a difficult time with it. Please help me out. Thank you!

A bicyclist is riding on a path modeled by the function f(x) = 0.04(8x - x^2), where x and f(x) are measured in miles. Find the rate of elevation when x = 2.


Homework Equations



N/A

The Attempt at a Solution



My only attempt was utilizing an equation my teacher gave me. However, the answer I got and the one on CalcChat are substantially different.


Thank you so much.
 
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RunnerDP said:

Homework Statement


Hi everyone, I am new to calculus. I was recently assigned some homework and am having a difficult time with it. Please help me out. Thank you!

A bicyclist is riding on a path modeled by the function f(x) = 0.04(8x - x^2), where x and f(x) are measured in miles. Find the rate of elevation when x = 2.


Homework Equations



N/A

The Attempt at a Solution



My only attempt was utilizing an equation my teacher gave me. However, the answer I got and the one on CalcChat are substantially different.


Thank you so much.

Is x the horizontal distance and f(x) the altitude?

You need to show us your work. We cannot possibly comment until we see what you have done already. Maybe you are right and CalcChat is wrong, or maybe the opposite is true---who knows, since you do not include either answer?
 
In particular, what was this equation your teacher gave you? Do you know how to find the derivative of f(x)?
 

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