Exponential And Logarithmic Functions Worksheet With Answer Key Page 8
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13Name: ______________________
ID: A
____
12. Rewrite the logarithm as a ratio of common logarithms.
log
17
5
log5
a.
log17
17
b. log
5
log17
c.
log5
5
d. log
17
e.
None of these
____
13. Use the properties of logarithms to expand the expression as a sum, difference, and/or constant
multiple of logarithms. (Assume all variables are positive.)
4
log2x
y
log2 ¥ 4 logx ¥ logy
a.
b. log2 + 4 logx - logy
log2 + logx + 4 logy
c.
d. log2 + 4 logx + logy
log2
e.
Ê
ˆ
4 logx + logy
Á Á
˜ ˜
Ë
¯
8
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