The table lists future concentrations of a certain greenhouse gas in parts per billion (ppb), if current trends continue. a. Let x = 0 correspond to 2010 and x = 20 correspond to 2030. Find C and a so that f(x) = Ca* models the data. b. Estimate the gas concentration in 2023. Year 2010 2015 2020 2025 2030 Gas (ppb) 0.66 0.77 0.89 1.03 1.19 a. C = a (Round to the nearest hundredth.)

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Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
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The table lists future concentrations of a certain greenhouse gas in parts per billion (ppb), if current trends continue.
a. Let x = 0 correspond to 2010 and x = 20 correspond to 2030. Find C and a so that f(x) = Ca* models the data.
b. Estimate the gas concentration in 2023.
a.
2010
Year
Gas (ppb) 0.66 0.77 0.89
C =
2015 2020 2025
1.03
a
(Round to the nearest hundredth.)
2030
1.19
Transcribed Image Text:The table lists future concentrations of a certain greenhouse gas in parts per billion (ppb), if current trends continue. a. Let x = 0 correspond to 2010 and x = 20 correspond to 2030. Find C and a so that f(x) = Ca* models the data. b. Estimate the gas concentration in 2023. a. 2010 Year Gas (ppb) 0.66 0.77 0.89 C = 2015 2020 2025 1.03 a (Round to the nearest hundredth.) 2030 1.19
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