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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Question
1. Find the extremums of these functions:
(a) у = 3х2 + 9х - 14; у = 2х3 + 3х2 -5; у =3х4 - 12х3+ 9;
(b) у = -2х2+ 4х+ 5; у = х4 + х2; у = х3 + 3х2 - 9х - 11;
(c) у = х2/3 + х1/3; у = х2/3(х-10) у = х4 + х2;
(d) у = х3 + 3х2 - 9х - 11; у = х2/3 + х1/3; у = х2/3(х-10).
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