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Notes Over 8.1. Graphing Exponential Functions. Graph the function. Notes Over 8.1. Graphing Exponential Functions. Graph the function. Notes Over 8.1. Graphing Exponential Functions. Graph the function. Notes Over 8.1. Graphing Exponential Functions. Graph the function. Notes Over 8.1. - PowerPoint PPT Presentation
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Notes Over 8.1Graphing Exponential Functions
xy 2 .1 Graph the function.
x y
2 4/11
012
2/1124
Notes Over 8.1Graphing Exponential Functions
xy 4 .2 Graph the function.
x y
2 16/11
012
4/114
16
Notes Over 8.1Graphing Exponential Functions
xy 23 .3 Graph the function.
x y
2 4/31
012
2/33612
Notes Over 8.1Graphing Exponential Functions
xy 24 .4 Graph the function.
x y
3 2/12101
1248
Notes Over 8.1Graphing a General Exponential Functions
423 .5 xyGraph the function. State the domain and range.
#3 from 23 Recall xy Move curve 4 units to the left.
Domain: All real numbers
Range: 0y
Notes Over 8.1Graphing a General Exponential Functions
125 .6 xyGraph the function. State the domain and range.
25Graph xy Move curve 1 units to the right.
Domain: All real numbers
Range: 0y
Notes Over 8.1Graphing a General Exponential Functions
43 .7 2 xyGraph the function. State the domain and range.
3Graph xy Move curve 2 units to the right
Domain: All real numbers
Range: 4y
and 4 units up
Notes Over 8.1Graphing a General Exponential Functions
34 .8 2 xyGraph the function. State the domain and range.
4Graph xy Move curve 2 units to the left
Domain: All real numbers
Range: 3y
and 3 units down.
Notes Over 8.1Modeling Exponential Growth
Exponential Growth
trCy 1 C is initial amountr is the growth rate t is the time period
Compound Interestnt
n
rPA
1
P is initial amountr is the growth rate t is the time period
n is the number of times per year
Notes Over 8.1Modeling Exponential Growth
tn
n
rPA
1
9. A customer purchases a television set for $800 using a credit card. The interest is charged on any unpaid balance at a rate of 18% per year compounded monthly. If the customer makes no payment for one year, how much is owed at the end of the year?
800
The customer would owe $956.49.
12015.1800A
18.1
49.95612
12
Notes Over 8.1Modeling Exponential Growth
tray 1
10. A house was purchased for $90,000 in 1995. If the value of the home increases by 5% per year, what is it worth in the year 2020?
000,90
The house would be worth $304,740.
2505.1000,90y05. 25
740,304y 386.3000,90y
Notes Over 8.1