3. (a) Given the function f(x) = 2x³ + 3x² − 12x + 1. Using the derivative formulas, find f'(x). (b) Set f'(x) equal to zero and solve for x. You should have answers. Label them as c₁ and c₂.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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4
(g) y= 2x*(−r* +5)
X
(h) y = (1+x)
ယ
x²
X
Transcribed Image Text:4 (g) y= 2x*(−r* +5) X (h) y = (1+x) ယ x² X
3.
(a)
Given the function f(x) = 2x³ + 3x² − 12x + 1.
Using the derivative formulas, find ƒ'(x).
(b)
Set f'(x) equal to zero and solve for x. You should have answers.
Label them as c₁ and c₂.
Transcribed Image Text:3. (a) Given the function f(x) = 2x³ + 3x² − 12x + 1. Using the derivative formulas, find ƒ'(x). (b) Set f'(x) equal to zero and solve for x. You should have answers. Label them as c₁ and c₂.
Expert Solution
Step 1: Rules of derivative

Given, f left parenthesis x right parenthesis equals 2 x cubed plus 3 x squared minus 12 x plus 1

space left parenthesis i right parenthesis space fraction numerator d space over denominator d x end fraction left parenthesis x to the power of n right parenthesis equals n x to the power of n minus 1 end exponent

left parenthesis i i right parenthesis space fraction numerator d space over denominator d x end fraction left parenthesis c o n s tan t right parenthesis equals 0

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