What is the average rate of change Δy/Δx of: y = 1/x on the interval [1/2, 3/2]?   1/3   –2/3   –4/3 What is the average rate of change Δy/Δx of: y = 2x2 – 9 on the interval [4, b]?   2b + 8   2b2 – 23   2b2 – 32

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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What is the average rate of change Δyx of:

y = 1/x on the interval [1/2, 3/2]?

 

1/3

 

–2/3

 

–4/3

What is the average rate of change Δyx of:

y = 2x2 – 9 on the interval [4, b]?

 

2b + 8

 

2b2 – 23

 

2b2 – 32

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