7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write...

4
lesson7.1and7.2.notebook 1 January 12, 2016 Jan 179:37 AM ALGEBRA 2 JAN. 6TH, 2014 1. State the domain and range of the function: y = (x 2) 2 +3 2. Evaluate: a. 5 2 b. 8 2/3 Jan 179:20 AM 7.1 and 7.2 Graph Exponential Growth and Decay Functions (Pages 478491) Jan 161:07 PM Graph the following. Draw a rough sketch in your notes. Jan 161:10 PM Do you see any patterns in the graphs? If so, what? Jan 179:46 AM Jan 179:47 AM

Transcript of 7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write...

Page 1: 7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write an exponential decay model. b. Estimate the value of the snowmobile after 3 years.

lesson7.1and7.2.notebook

1

January 12, 2016

Jan 17­9:37 AM

ALGEBRA 2 JAN. 6TH, 2014

1.  State the domain and range of the function: y = ­(x ­ 2)2 + 3

2.  Evaluate:        a.  5­2 b. 82/3

Jan 17­9:20 AM

7.1 and 7.2 Graph Exponential Growth and Decay Functions

(Pages 478­491)

Jan 16­1:07 PM

Graph the following. Draw a rough sketch in your notes.

Jan 16­1:10 PM

Do you see any patterns in the graphs? If so, what?

Jan 17­9:46 AM Jan 17­9:47 AM

Page 2: 7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write an exponential decay model. b. Estimate the value of the snowmobile after 3 years.

lesson7.1and7.2.notebook

2

January 12, 2016

Jan 8­8:23 AM

Example­  Tell wether the function y = 3(2)x ­ 1 represents exponential growth or decay.  

Jan 6­1:40 PM

Jan 17­9:59 AM

WB 7.1: 2‒8 evenWB 7.2: 2 ‒ 12 even

Jan 17­9:47 AM

January 7th, 2016Graph.  State the domain and range.

      y = 2(3)x

Jan 17­9:29 AM

7.1 and 7.2 Day 2

Exponential Growth Models:  y = a(1 + r)t

Jan 6­9:02 AM

a.  Write an exponential growth model giving the number n of accidents t years after 1996.

b.  About how many accidents were there in 2003?

c.  What is the growth factor and annual percent increase?

Page 3: 7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write an exponential decay model. b. Estimate the value of the snowmobile after 3 years.

lesson7.1and7.2.notebook

3

January 12, 2016

Jan 6­9:04 AM Jan 8­8:05 AM

January 8th, 2016

1.  Tell whether the graph of each function represents growth or decay.

2. In 1990, the population of Austin, Texas was 494,290.  During the next 10 years, the population increased  by about 3% each year.   Write an exponential growth model given the population P of Austin t  years after 1990.

Jan 7­8:08 AM

7.1 and 7.2 Day 3

Jan 6­9:18 AM

a.  Write an exponential decay model.

b.  Estimate the value of the snowmobile after 3 years.

c.  Estimate when the value of the snowmobile will be $2500.

Jan 8­1:39 PM Jan 8­8:47 AM

Page 4: 7.1 and 7.2 Graph Exponential Growth and Decay Functions · 7.1 and 7.2 Day 3 Jan 69:18 AM a. Write an exponential decay model. b. Estimate the value of the snowmobile after 3 years.

lesson7.1and7.2.notebook

4

January 12, 2016

Jan 17­10:01 AM

WB 7.1: 10-15WB 7.2: 13-15

Jan 9­8:45 AM