A bicyclist is riding on a path modeled by the function  f(x) = 0.04(10x − x2),  where x and f(x) are measured in miles. Find the rate of change of elevation at x = 1.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 2E
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A bicyclist is riding on a path modeled by the function 

f(x) = 0.04(10x − x2),

 where x and f(x) are measured in miles. Find the rate of change of elevation at x = 1.

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Step 1

given:

A bicyclist is riding on a path modeled by the function fx=0.0410x-x2 where x and f(x) are measured in miles.

we have to find the rate of change of elevation at x=1.

that implies we have to find the value of ddxfxx=1

 

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