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Section 5.4
Logarithmic Functions
OBJECTIVE 1
8 2(a) 5 (b) 12 (c) 10xt x e
2 2(a) log 21 (b) log 12 6 (c) log 10zy a
OBJECTIVE 2
3 2
1log 81 log
8a b
OBJECTIVE 3
3 2
22 1
2
3log 2 log
1
log 1 log
xa f x x b F x
x
c h x x d g x x
OBJECTIVE 4
Natural Logarithm Function
3ln 1f x x
2log 2f x x
OBJECTIVE 5
2Solve: log 2 1 3 log 343 3xa x b
3Solve: 2 6xe
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