8. Which of the following equations do NOT represent functions of x? Explain. •a {(-2,5), (1,3),(3,7),(4,25),(3,-1)} •b y=x^3+20 •c y^2=x •d y=|x+7|
8. Which of the following equations do NOT represent functions of x? Explain. •a {(-2,5), (1,3),(3,7),(4,25),(3,-1)} •b y=x^3+20 •c y^2=x •d y=|x+7|
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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8. Which of the following equations do NOT represent functions of x? Explain.
•a {(-2,5), (1,3),(3,7),(4,25),(3,-1)}
•b y=x^3+20
•c y^2=x
•d y=|x+7|

Transcribed Image Text:3x + 5,if - 2< x< 3
f(x) = {5,if3<x <5
|- 3x +1, ifx 2 52691 eviD Sletetsliup3 Szeleoaoal folgnshd trigh &58A dlgns
O bns 8 nsowded sonstail
7. Graph the function f(x)= x+2 –3 using the techniques of shifting, compress-
stretching, and/or reflecting. Start with the basic function f(x) =Jx and show all
(include graph and equation for each stage).eo ed ytioege uoy u lsM).(2-,8)
8. Which of the following equations do NOT represent functions of x? Explain.
a) {(-2,5),(1,3),(3,7),(4,25),(3,–1)} not a funchon, three cano
b) y=x+20
c) y = x
d) y = |x+7|
.2S =- xE noitsups to em
rigsig bns anil airs 1ot atgsetni-y bns x erls bni.lenil to sqolz
e inion et dauod as bne ot fellesgaierenil sto goitsupe
9. Do problems 13-24 on page 77 (textbook) and refer to the given graph.
For the given graph also answer the following questions:
For what values of x is the flxk0 ?loneqe i ed enil s to noitsup
For what values of x is f(x)>0?
Find the zeros of the function.enitebnu 9qolz 2ar sri enil 6 to noiteur
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