Exponential And Logarithmic Functions Worksheet With Answer Key Page 9
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13Name: ______________________
ID: A
____
14. Condense the expression to the logarithm of a single quantity.
È
˘
Í Í
˙ ˙
ln x - ln x + 6
) + ln x - 6
(
(
)
Í Í
˙ ˙
Î
˚
x - 6
(
)
a.
ln
x x + 6
(
)
x + 6
(
)
b. ln
x x - 6
(
)
x x - 6
(
)
c.
ln
x + 6
(
)
x
d. ln
x - 6
) x + 6
(
(
)
x x + 6
(
)
e.
ln
x - 6
(
)
____
15. Solve the exponential equation algebraically. Approximate the result to three decimal places.
2
- 14
5x
x
= e
e
-7, - 2
a.
b. 7, - 2
5, - 14
c.
d. 7, 2
-7, 2
e.
9
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