Logarithms!
Evaluate:
1
64
1. log381
2. log4
3. log5120
4. log 0.0001
5. ln 28
6. log16(8)
Graph:
7. y = e-x + 3
8. y = log5(x)
9. y = 3x-5 + 2
Expand:
10. log6(
216x 5
)
y8
11. log2 (8 x 3 )
Condense:
12. 3log26x2 - log227x5 + log24x3
13. ln6e3 – ln18e9 + ln3e10
Solve:
14. log4(x2-4) = 2
15. log2(x-2) +log2(x) = 3
16. log3(x-5) + log3(x-2) = log3(19)
17. log(2x+1) – log(x) = 1
1
8
x-5
19. 2 = 9
18. 4x+1 =
20. 3x-1 = 4x
21. Suppose you invest $8000 at 5% that is compounded continuously.
a) How much money will be in the account in 4 years?
b) How long will it take to reach a value of $12,000?