Section 3.11 1. Find a linearization off(x) = Vx at suitably chosen integer near a = 26, at which the given function and its derivative are easy to find. %3D Use your linearization to estimate the value of V26. 2. Write a differential formula that estimates the change in diameter D of a tree if the circumference increases from Co to Co + dC. Recall that C = tD, so you can start by solving for D. Suppose that the diameter D of a certain tree is 12 inches one year. During the following year, the circumference increased by 1.5 inches. By about how much did the diameter increase that year? Write a differential formula that estimates the change in cross-sectional area A = ar² of a tree if the radius increases from ro to ro + dr. By about how much did the cross-sectional area of the tree above increase the year in question? (Recall that D = 2r.)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter6: Vector Spaces
Section6.7: Applications
Problem 14EQ
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Section 3.11
1. Find a linearization off(x) = Vx at suitably chosen integer near a = 26, at which the
given function and its derivative are easy to find.
%3D
Use your linearization to estimate the value of V26.
2. Write a differential formula that estimates the change in diameter D of a tree if the
circumference increases from Co to Co + dC. Recall that C = tD, so you can start by
solving for D.
Suppose that the diameter D of a certain tree is 12 inches one year. During the
following year, the circumference increased by 1.5 inches. By about how much did the
diameter increase that year?
Write a differential formula that estimates the change in cross-sectional area A = ar²
of a tree if the radius increases from ro to ro + dr.
By about how much did the cross-sectional area of the tree above increase the year in
question? (Recall that D = 2r.)
Transcribed Image Text:Section 3.11 1. Find a linearization off(x) = Vx at suitably chosen integer near a = 26, at which the given function and its derivative are easy to find. %3D Use your linearization to estimate the value of V26. 2. Write a differential formula that estimates the change in diameter D of a tree if the circumference increases from Co to Co + dC. Recall that C = tD, so you can start by solving for D. Suppose that the diameter D of a certain tree is 12 inches one year. During the following year, the circumference increased by 1.5 inches. By about how much did the diameter increase that year? Write a differential formula that estimates the change in cross-sectional area A = ar² of a tree if the radius increases from ro to ro + dr. By about how much did the cross-sectional area of the tree above increase the year in question? (Recall that D = 2r.)
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