Exponential And Logarithmic Functions Worksheet With Answer Key Page 10
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13Name: ______________________
ID: A
____
16. Solve the exponential equation algebraically. Approximate the result to three decimal places.
Ê
ˆ
Á Á
˜ ˜
x
˜ ˜ = 36
2 3
Á Á
Ë
¯
ln 3
ª 2.631
a.
ln 18
ln 18
ª -0.38
b.
ln 3
ln 18
ª -2.631
c.
ln 3
ln 18
ª 2.631
d.
ln 3
ln 18
ª 0.38
e.
ln 3
____
17. Solve the exponential equation algebraically. Approximate the result to three decimal places.
x
- 8 = 12
e
ln 20 ª 2.485
a.
b. ln 20 ª 2.996
ln 20 ª -2.485
c.
d. ln 20 ª 2.079
ln 20 ª -2.996
e.
10
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