6 Evaluate f (-3), ƒ(0) and f(2) for th sketch the graph of the domain. x +2 if x<0 (a) f(x) = x -1 if x > 0 (b) f(

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 36E
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5. Find the domain and range and sketch the graph of the function h(x) = J4-x² .
2
ニ
6 Evaluate f (-3), ƒ(0) and f (2) for the piecewise defined function. Then
sketch the graph of the domain.
x +2 if x <0
x +1 if x <-1
(a)
f (x ) = {
f (x) = -
x -1 if x > 0
(b)
x? if x >-1
7. Determine whether f is even, odd or neither:
S(x) = (b) S(x) -
)= (e) (x) = (d) f (x) =x|x |
%D
%3D
三X
x+1
4.
x'+1
X +1
8. Determine whether f is increasing or decreasing or neither:
(a) f(x) =-x +1
(b) ƒ (x ) = x² -1
%D
|
Dr. Shaban El-Shehawy
Page 12
Transcribed Image Text:5. Find the domain and range and sketch the graph of the function h(x) = J4-x² . 2 ニ 6 Evaluate f (-3), ƒ(0) and f (2) for the piecewise defined function. Then sketch the graph of the domain. x +2 if x <0 x +1 if x <-1 (a) f (x ) = { f (x) = - x -1 if x > 0 (b) x? if x >-1 7. Determine whether f is even, odd or neither: S(x) = (b) S(x) - )= (e) (x) = (d) f (x) =x|x | %D %3D 三X x+1 4. x'+1 X +1 8. Determine whether f is increasing or decreasing or neither: (a) f(x) =-x +1 (b) ƒ (x ) = x² -1 %D | Dr. Shaban El-Shehawy Page 12
(а)
-2.5
(b)
10. Find f +g ,f -g ,f g and f/gand state their domains.
(a) ƒ (x) =x³ +2x² ,
, g(x) = 3x² -1
(b) ƒ (x) =
3-x , g(x)=x²-1
g(x) = Jx² -1
%3D
11. Find the functions f °g ,
g of ,f of and gog and their domains.
(a) f(x) = 3x +5,
g(x) =x² +x
%3D
(b) ƒ (x) = /1+x , g(x)=4x -3
(c) f (x) = sin x, g(x)=x²+1
%3D
12. Express the function in the form f °g.
F(x) =
F(x ) = 3
1+x
%3D
%3D
(a) F(x)=(2x +x² )ª
(b)
1+x (c)
Transcribed Image Text:(а) -2.5 (b) 10. Find f +g ,f -g ,f g and f/gand state their domains. (a) ƒ (x) =x³ +2x² , , g(x) = 3x² -1 (b) ƒ (x) = 3-x , g(x)=x²-1 g(x) = Jx² -1 %3D 11. Find the functions f °g , g of ,f of and gog and their domains. (a) f(x) = 3x +5, g(x) =x² +x %3D (b) ƒ (x) = /1+x , g(x)=4x -3 (c) f (x) = sin x, g(x)=x²+1 %3D 12. Express the function in the form f °g. F(x) = F(x ) = 3 1+x %3D %3D (a) F(x)=(2x +x² )ª (b) 1+x (c)
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