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Log Function
Rewrite in logarithmic form.
Rewrite as an exponential: log13169=2
Log Function
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Answers
1
Rewrite as an exponential: log
13
169=2
213=169
132=169
13169=2
16913=2
2
Rewrite in logarithmic form.
log632 = x
log32x = 6
log6x = 32
log<span style="font-size: 13.3333px;">x</span>32 = 6
3
What was the first Pixar Movie?
Cars
Shrek
Monsters Inc
Toy story
4
What is my (Mrs. Coleman) FAVORITE Disney movie
Lion King
Cinderella
Pocahontas
Beauty and the Beast
5
Rewrite in Log form.
B
D
C
A
6
Rewrite the log as an exponential
362 = 6
26 = 36
2 log 6 = 36
62 = 36
7
log 10
0
2
1
10
8
What is the inverse of the function?
f-(x) = ln(x-2) + 7
f-(x) = -ex-2 + 7
f-(x) = ln(x+7) - 2
f-(x) = log(x+7) - 2
9
what is the inverse of a logarithm?
quadratic
square root
exponential
natural log
10
Rewrite in log form: 3
x
= 30
log3 30 = x
log30 3 = x
log30 x = 3
log3 x = 30
11
Rewrite to logarithmic form:
log7(16384) = 4
log16384(4) = 7
log16384(7) = 4
log4(16384) = 7
12
Rewrite as an exponential equation: log
b
x=y
bx=y
by=x
xb=y
yb=x
13
Define Logarithmic Function
are the inverse of exponential, and any function can be expressed
the base
a logarithm in terms of logs written with another base.
the logarithmic form
14
Identify the inverse of log4(64)=3
64=4^3
4=3^64
64=3^4
3=64^4
15
Determine the domain of the function.
( - ∞ , 3 )
[ - 2 , ∞ )
( - 2 , ∞ )
( - ∞ , ∞ )
16
Brain Teasers --- Which is heavier: 100 lbs of gold or 100 lbs of feathers?
100 lbs of feathers
100 lbs of gold
they are the same
I wish I had some gold!!
17
log 1
0
1
10
1/10
18
Rewrite in exponential form.
53 = 243
35 = 243
2435 = 3
2433 = 5
19
What is an inverse of a function?
a reflection over the line y=x
the vertical asymptote
the switch of x and y values
the horizontal asymptote
20
Brain Teasers --- What goes up but never comes down?
Age
Basketball
Clouds
Christmas Tree
21
What was the first Disney movie?
Snow white
Beauty and the Beast
Sleeping Beauty
Alice in wonderland
22
2. Rewrite in log form.
log6 216 = 3
log6 3 = 216
log3 216 = 6
log216 3 = 6
23
Determine the Range of the function.
( - ∞ , 3 ]
( - 2, ∞ )
( - ∞ , 3 )
( - ∞ , ∞ )
24
Rewrite as a logarithm function:
4
x
=15
log4(x)=15
logx(4)=15
log4(15)=x
log15(x)=4
25
Rewrite as a
logarithmic
function.
log2(512)=9
log2(9)=512
log9(512)=2
log512(9)=2
26
Brain Teasers --- How many months have 28 days?
1
February
What about leap year?
All of them
27
Brain Teasers:
How many animals can you see?
3
5
4
6
28
A logarithm is an exponent.
False
True
