Consider the following function: where f(x) = 2x²x³ +1 x E (a) Find the x that are critical value points of f(x) (values of x that are a potential mini- mum or maximum). (b) Are those critical values maximum or minimum? (Hint: Check the second order derivative. Check also the value of the function at the endpoints -1 and to make sure you have the correct answer.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Consider the following function:

\[ f(x) = 2x^2 - x^3 + 1 \]

where

\[ x \in \left[ -1, \frac{5}{3} \right] \]

(a) Find the \( x \) that are critical value points of \( f(x) \) (values of \( x \) that are a potential minimum or maximum).

(b) Are those critical values maximum or minimum? (Hint: Check the second-order derivative. Check also the value of the function at the endpoints -1 and \( \frac{5}{3} \) to make sure you have the correct answer.)
Transcribed Image Text:Consider the following function: \[ f(x) = 2x^2 - x^3 + 1 \] where \[ x \in \left[ -1, \frac{5}{3} \right] \] (a) Find the \( x \) that are critical value points of \( f(x) \) (values of \( x \) that are a potential minimum or maximum). (b) Are those critical values maximum or minimum? (Hint: Check the second-order derivative. Check also the value of the function at the endpoints -1 and \( \frac{5}{3} \) to make sure you have the correct answer.)
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