Base e Answers

39 verified answers3 views
24

Question text not available

Answers:
ln e3 =:3
ln e2y =:2y
25

Which expressions are equivalent to ln x + 2 ln 5 + ln 1? Check all that apply.

A
2 ln 5x
B
ln (x + 26)
C
ln 25x + ln 1
D
ln 25x
26

= ln 2 + ln a - ln bln 2 - ln a - ln b 2 ln a - ln b

Question illustration
A
ln 2 + ln a - ln b
B
ln 2 - ln a - ln b
C
2 ln a - ln b
27

ln 4 - 2 ln x - 5 ln y ln 4 - 2 ln x + 5 ln y -8 ln x + 5 ln y

A
ln 4 - 2 ln x - 5 ln y
B
ln 4 - 2 ln x + 5 ln y
C
-8 ln x + 5 ln y
28

Solve: 3 ln x = ln 216

A
x = 3
B
x = 6
C
x = 72
30

02 + y2ye✔ 2y

A
0
B
2 + y
C
2ye
D
✔ 2y
31

ln 2 + ln 8 - ln 4

A
ln 4
B
ln 6
C
ln 64
33

= ✔ ln 2 + ln a - ln bln 2 - ln a - ln b 2 ln a - ln b

Question illustration
A
✔ ln 2 + ln a - ln b
B
ln 2 - ln a - ln b
C
2 ln a - ln b
34

ln 4 - 2 ln x - 5 ln y ln 4 - 2 ln x + 5 ln y -8 ln x + 5 ln y

A
ln 4 - 2 ln x - 5 ln y
B
ln 4 - 2 ln x + 5 ln y
C
-8 ln x + 5 ln y
35

Solve: 3 ln x = ln 216

A
x = 3
B
x = 6
C
x = 72
37

Which did you include in your solution?

A
Since 0 in ln(3x) - 0 is not a logarithm, the property of logarithms cannot be used here.
B
The difference shown cannot be written as a quotient of logarithms.
C
The step ln(x2) = ln(3x) - (0) reduces to ln(x2) = ln(3x).
D
The possible solutions are 0 and 3, with 0 being extraneous.
38

-10✔ 1e

Answers:
eln 1 =:1
eln 5x =:5x
39

Question text not available

Answers:
eln 1 =:1
eln 5x =:5x

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