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18) (8pts) Over what interval(s) is the following function f(x) = increasing a. Identify all critical points b. Identify over which x-values the function is increasing and decreasing. Show how you identify when they are increasing or decreasing. x' -3 ?

18) (8pts) Over what interval(s) is the following function f(x) = increasing a. Identify all critical points b. Identify over which x-values the function is increasing and decreasing. Show how you identify when they are increasing or decreasing. x' -3 ?

Calculus: Early Transcendentals
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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18) (8pts) Over what interval(s) is the following function f(x) = increasing a. Identify all critical points b. Identify over which x-values the function is increasing and decreasing. Show how you identify when they are increasing or decreasing. x' -3 ?
Transcribed Image Text:18) (8pts) Over what interval(s) is the following function f(x) = increasing a. Identify all critical points b. Identify over which x-values the function is increasing and decreasing. Show how you identify when they are increasing or decreasing. x' -3 ?
19) I have to build a fence around my yard which is against myect house (so only 3 sides needed). The side of the fence behind the house has to be taller and costs $45/ft but the fence on the sides only costs $25/ft. I have to cover 800 square feet of area. What is the minimum cost for my fence? tall side of fence(y) house
Transcribed Image Text:19) I have to build a fence around my yard which is against myect house (so only 3 sides needed). The side of the fence behind the house has to be taller and costs $45/ft but the fence on the sides only costs $25/ft. I have to cover 800 square feet of area. What is the minimum cost for my fence? tall side of fence(y) house
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