Consider the function (a) Use a graphing utility to graph (b) Use Newtons Method with as
Chapter 3, Problem 29(choose chapter or problem)
Consider the function \(f(x)=x^{3}-3 x^{2}+3\).
(a) Use a graphing utility to graph f.
(b) Use Newton's Method with \(x_{1}=1\) as an initial guess.
(c) Repeat part (b) using \(x_{1}=\frac{1}{4}\) as an initial guess and observe that the result is different.
(d) To understand why the results in parts (b) and (c) are different, sketch the tangent lines to the graph of f at the points (1,f(1)) and \(\left(\frac{1}{4}, f\left(\frac{1}{4}\right)\right)\). Find the x-intercept of each tangent line and compare the intercepts with the first iteration of Newton's Method using the respective initial guesses.
(e) Write a short paragraph summarizing how Newton's Method works. Use the results of this exercise to describe why it is important to select the initial guess carefully.
Text Transcription:
f(x)=x^3-3 x^2+3
x_1=1
x_1=1/4
(1/4, f(1/4))
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