Download presentation
Presentation is loading. Please wait.
Published byChastity Watkins Modified over 9 years ago
1
Review – Logs Compound Interest/ Exponential Growth/Decay Log Form and Exp Form Properties of Logs Log Equations 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 Simplifying Logs
2
Compound Interest/ Exponential Growth/Decay Question 1 Does this equation represent exponential growth or decay?
3
Compound Interest/ Exponential Growth/Decay Question 1 Answer Growth
4
Compound Interest/ Exponential Growth/Decay Question 2 What is the value of “n” in the following problem? Ayana invests $3400 at 6.7% interest compounded quarterly. How much money will Ayana have in her account after 7 years?
5
Compound Interest/ Exponential Growth/Decay Question 2 Answer n=4 Compounded quarterly = four times a year
6
Compound Interest/ Exponential Growth/Decay Question 3 What is the y-intercept of the following equation?
7
Compound Interest/ Exponential Growth/Decay Question 3 Answer y-intercept = (0,546)
8
Compound Interest/ Exponential Growth/Decay Question 4 Write an example of an exponential decay function that has a y-intercept of 34.
9
Compound Interest/ Exponential Growth/Decay Question 4 Answer As long as the function has a value less than one in the parenthesis, it will be a decay function.
10
Compound Interest/ Exponential Growth/Decay Question 5 Find the multiplier for the equation that would be used to solve this problem : You cut your finger on a rusty nail and immediately 247 bacteria cells enter your bloodstream. If the bacteria increases by 4.6% every hour, how much bacteria is in your bloodstream after 4 hours?
11
Compound Interest/ Exponential Growth/Decay Question 5 Answer Multiplier: =1+.046 =1.046
12
Log Form and Exp. Form Question 1 Rewrite in exponential form:
13
Log Form and Exp. Form Question 1 Answer ** Remember the swirl method **
14
Log Form and Exp. Form Question 2 Rewrite in logarithmic form:
15
Log Form and Exp. Form Question 2 Answer ** Remember the swirl method **
16
Log Form and Exp. Form Question 3 Which equation is incorrect?
17
Log Form and Exp. Form Question 3 Answer C is incorrect.
18
Log Form and Exp. Form Question 4 Which equation is incorrect?
19
Log Form and Exp. Form Question 4 Answer B is incorrect.
20
Log Form and Exp. Form Question 5 What is the relationship between logarithmic functions and exponential functions?
21
Log Form and Exp. Form Question 5 Answer Logarithmic functions are the inverse of exponential functions.
22
Simplifying Logs - Question 1 Simplify this expression:
23
Simplifying Logs - Question 1 Answer Answer: 2 **use the swirl method**
24
Simplifying Logs - Question 2 Simplify this expression:
25
Simplifying Logs – Question 2 Answer Answer: -4 **use the swirl method**
26
Simplifying Logs – Question 3 Simplify this expression:
27
Simplifying Logs – Question 3 Answer Answer: 2.129
28
Simplifying Logs – Question 4 Simplify this expression:
29
Simplifying Logs – Question 4 Answer Answer: 154 The 5 cancels with the log 5 and leaves you with 154.
30
Simplifying Logs – Question 5 Simplify this expression:
31
Simplifying Logs – Question 5 Answer Answer: 0
32
Properties of Logs – Question 1 Write the expression as a sum or difference of logarithms:
33
Properties of Logs – Question 1 Answer
34
Properties of Logs – Question 2 Write as a single logarithm:
35
Properties of Logs – Question 2 Answer
36
Properties of Logs – Question 3 Write the expression as a sum or difference of logarithms:
37
Properties of Logs – Question 3 Answer
38
Properties of Logs – Question 4 Write as a single logarithm:
39
Properties of Logs – Question 4 Answer
40
Properties of Logs – Question 5 Write the expression as a sum or difference of logarithms:
41
Properties of Logs – Question 5 Answer
42
Log Equations – Question 1 Solve for x:
43
Log Equations – Question 1 Answer Answer: 3
44
Log Equations – Question 2 Solve for x:
45
Log Equations – Question 2 Answer Answer: 4
46
Log Equations – Question 3 Solve for x:
47
Log Equations – Question 3 Answer Answer: 5
48
Log Equations – Question 4 Solve for x:
49
Log Equations – Question 4 Answer Answer: 8
50
Log Equations – Question 5 How many days are left in the school year?
51
Log Equations – Question 5 Answer 40 days (as of 4/16/08)
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.