Date post: | 21-Dec-2015 |
Category: |
Documents |
Upload: | theodora-glenn |
View: | 213 times |
Download: | 0 times |
In this chapter we will study both In this chapter we will study both linearlinear and curved models…. and curved models….
They could be:They could be:
EXPONENTIALEXPONENTIAL
OROR
POWER POWER
MODELS !!MODELS !!
22
Since you all come from Since you all come from different classes last yeardifferent classes last year
(PRECALC, ALG 2 TRIG, (PRECALC, ALG 2 TRIG, ALG TRIG GENERAL) we ALG TRIG GENERAL) we need to check what you need to check what you
know/remember!know/remember!
33
TimeTime
forfor
AA
PRE-TEST!!!!!!PRE-TEST!!!!!!( ( don’t freak out..it’s not being gradeddon’t freak out..it’s not being graded!)!)
44
What makes something a What makes something a power equation verses an power equation verses an exponential equation???exponential equation???
77
by a x xy a b
99
In 1960 you could In 1960 you could purchase a brand new purchase a brand new
Cadillac forCadillac for__$$____________$$__________
1010
In 1960 you could In 1960 you could purchase a brand new purchase a brand new
Cadillac forCadillac for$5000.00!!!!!$5000.00!!!!!
1313
Make a Make a Scatterplot!!!Scatterplot!!!
Does a LINEAR Does a LINEAR model seem model seem appropriate?appropriate?
Price=114.06(1.0535)Price=114.06(1.0535)
Since the base is LARGER Since the base is LARGER
than one it is EXPONENTIAL than one it is EXPONENTIAL
GROWTH by ______%GROWTH by ______%
Let’s look at the residual plot!Let’s look at the residual plot!
2020
Price=114.06(1.0535)Price=114.06(1.0535)
Since the base is LARGER Since the base is LARGER
than one it is EXPONENTIAL than one it is EXPONENTIAL
GROWTH by ______%GROWTH by ______%
Let’s look at the residual plot!Let’s look at the residual plot!
2121
Use your model to predict Use your model to predict the price of a Cadillac in the price of a Cadillac in
2020!!2020!!
Price=114.06(1.0535)Price=114.06(1.0535)
2323