2. The capacity for wind power worldwide can be modeled as W(x) thousand MW 95 sample W(x) = 1.608(1.271) thousand MW 80- where x is the number of years since 1990, data from 0

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Chapter7: Exponents And Exponential Functions
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12 Fanction Be
2. The capacity for wind power worldwide can be
modeled as
W(x) thousand MW
amply
95T
W(x) =1.608(1.271) thousand MW
80-
where x is the number of years since 1990, data
from 0<xsl7. A figure of this function is
60
shown.
a. Identify the direction and concavity of the
graph.
40
20-
incrcesing (pcsitive)
concavity: Concave' up
х years
8 12 16 17 since 1990
4
b. Considering the function out of context, numerically estimate the end behavior of the function in
both directions.
W(x)
x co
W (x)
r -0
-10
40
-100
160
-1000
-10,000
lim W (x) =
lim W (x) =
©2012 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part,
uted with a certain product or service
Transcribed Image Text:12 Fanction Be 2. The capacity for wind power worldwide can be modeled as W(x) thousand MW amply 95T W(x) =1.608(1.271) thousand MW 80- where x is the number of years since 1990, data from 0<xsl7. A figure of this function is 60 shown. a. Identify the direction and concavity of the graph. 40 20- incrcesing (pcsitive) concavity: Concave' up х years 8 12 16 17 since 1990 4 b. Considering the function out of context, numerically estimate the end behavior of the function in both directions. W(x) x co W (x) r -0 -10 40 -100 160 -1000 -10,000 lim W (x) = lim W (x) = ©2012 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, uted with a certain product or service
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