69. Draw graphs of each of these functions. a) f(x) = (x + ] c) ƒ(x) = [x/3]| e) f(x) = [x − 21 + (x+2) 1) f(x) = [2x][x/2] b) f(x) = 2x+1] d) ƒ(x) = [1/x] g) f(x) = [lx-J+1

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.4: More Quadratic Functions And Applications
Problem 55PS
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Can anyone please help me with question 69 a,b,c,d,e, and f? I am stuck on it!
R to R.
69. Draw graphs of each of these functions.
a) f(x) = (x + =]
c) f(x) = [x/3]
e) f(x) = (x-2] + (x+2)
f) f(x) = [2x][x/2]
b) f(x) = [2x+¹]
d) ƒ(x) = [1/x]
g) f(x) = [[x+1
70. Draw graphs of each of these functions.
a) f(x) = 3x - 2]
c) ƒ(x) = [−1/x]
e) f(x) = x/21 (x/2),
g) f(x) = [2 [x/2] + J
b) f(x) = [0,2x]
d) f(x) = x²]
f) f(x) = x/2] + [x/2]
71. Find the inverse function of f(x) = x + 1.
72. Suppose that ƒ is an invertible function from Y to Z and
is an invertible function from X to Y. Show that the
inverse of the composition fog is given by (fog)-¹
g
Transcribed Image Text:R to R. 69. Draw graphs of each of these functions. a) f(x) = (x + =] c) f(x) = [x/3] e) f(x) = (x-2] + (x+2) f) f(x) = [2x][x/2] b) f(x) = [2x+¹] d) ƒ(x) = [1/x] g) f(x) = [[x+1 70. Draw graphs of each of these functions. a) f(x) = 3x - 2] c) ƒ(x) = [−1/x] e) f(x) = x/21 (x/2), g) f(x) = [2 [x/2] + J b) f(x) = [0,2x] d) f(x) = x²] f) f(x) = x/2] + [x/2] 71. Find the inverse function of f(x) = x + 1. 72. Suppose that ƒ is an invertible function from Y to Z and is an invertible function from X to Y. Show that the inverse of the composition fog is given by (fog)-¹ g
68. Draw the graph of the function f(x) = [x] + [x/2] from
R to R.
69. Draw graphs of each of these functions.
a) f(x) = (x + ]
b) f(x) = (2x+1]
d) ƒ(x) = [1/x]
c) f(x) = [x/3]
e) f(x) = x-2] + (x+2)
I) f(x) = |2r||x/2]
g) f(x) = [[x] + 1
70. Draw graphs of each of these functions.
a) f(x)= [3x-21
c) ƒ(x) = [−1/x]
e) ƒ(x) = [x/2][x/2]
g) f(x) = [2 [x/2] + J
b) ƒ(x) = [0,2x]
d) f(x) = x²]
f) /(x) = [x/2] + [x/2]
71. Find the inverse function of f(x) = x²³ + 1.
72. Suppose that ƒ is an invertible function from Y to Z and
g is an invertible function from X to Y. Show that the
inverse of the composition fog is given by (fog)' =
g¯¹of-¹.
73. Let S be a subset of a universal set U. The character-
mm // to the set
80
Transcribed Image Text:68. Draw the graph of the function f(x) = [x] + [x/2] from R to R. 69. Draw graphs of each of these functions. a) f(x) = (x + ] b) f(x) = (2x+1] d) ƒ(x) = [1/x] c) f(x) = [x/3] e) f(x) = x-2] + (x+2) I) f(x) = |2r||x/2] g) f(x) = [[x] + 1 70. Draw graphs of each of these functions. a) f(x)= [3x-21 c) ƒ(x) = [−1/x] e) ƒ(x) = [x/2][x/2] g) f(x) = [2 [x/2] + J b) ƒ(x) = [0,2x] d) f(x) = x²] f) /(x) = [x/2] + [x/2] 71. Find the inverse function of f(x) = x²³ + 1. 72. Suppose that ƒ is an invertible function from Y to Z and g is an invertible function from X to Y. Show that the inverse of the composition fog is given by (fog)' = g¯¹of-¹. 73. Let S be a subset of a universal set U. The character- mm // to the set 80
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To graph the given function find function values corresponding to some points and plot the points in coordinate plane and join them.

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