In 2020, Arizona's second wave of Covid-19 infec- ions grew at 3% a day; that is, the number of confirmed cases grew by a factor of (1.03)' over 1 days. Covid-19 confirmed cases in West Virginia in 2020 grew at 1.75% a day; that is, by a factor of (1.0175)' over t days.³ (a) By what factor did Arizona's cases grow over four months? How about West Virginia's cases? (b) Notice that Arizona's daily percent growth rate is nearly double the daily percent growth rate in West Virginia. Is the 4-month growth factor for Arizona approximately double the 4-month growth factor for West Virginia?

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Chapter1: Functions And Models
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In 2020, Arizona's second wave of Covid-19 infec-
tions grew at 3% a day; that is, the number of confirmed
cases grew by a factor of (1.03)' over 1 days. Covid-19
confirmed cases in West Virginia in 2020 grew at 1.75%
a day; that is, by a factor of (1.0175)' over 1 days.³
(a) By what factor did Arizona's cases grow over four
months? How about West Virginia's cases?
(b) Notice that Arizona's daily percent growth rate is
nearly double the daily percent growth rate in West
Virginia. Is the 4-month growth factor for Arizona
approximately double the 4-month growth factor
for West Virginia?
Transcribed Image Text:In 2020, Arizona's second wave of Covid-19 infec- tions grew at 3% a day; that is, the number of confirmed cases grew by a factor of (1.03)' over 1 days. Covid-19 confirmed cases in West Virginia in 2020 grew at 1.75% a day; that is, by a factor of (1.0175)' over 1 days.³ (a) By what factor did Arizona's cases grow over four months? How about West Virginia's cases? (b) Notice that Arizona's daily percent growth rate is nearly double the daily percent growth rate in West Virginia. Is the 4-month growth factor for Arizona approximately double the 4-month growth factor for West Virginia?
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