The table below gives U.S. lead emissions. L, into the environment in milions of metric tons for 197g-1992. Lat I=0 in 1970. 1970 1975 1980 1985 1988 1989 1900 1991 1992 Lead emissions 240 108.6 47.6 18.6 89 8.1 67 53 46 Year () Find an exponential model for these data Lead emission, L()= (b) Find a fourth-degree polynomial model for these data Lead emission, L)= (c) Which of these curves gives a better model for the data? A exponential model B. fourth-degree polynomial (d) Estimate the lead emission in 1984 according to the polynomial model in part (b)

The table below gives U.S. lead emissions. L, into the environment in milions of metric tons for 197g-1992. Lat I=0 in 1970. 1970 1975 1980 1985 1988 1989 1900 1991 1992 Lead emissions 240 108.6 47.6 18.6 89 8.1 67 53 46 Year () Find an exponential model for these data Lead emission, L()= (b) Find a fourth-degree polynomial model for these data Lead emission, L)= (c) Which of these curves gives a better model for the data? A exponential model B. fourth-degree polynomial (d) Estimate the lead emission in 1984 according to the polynomial model in part (b)

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section6.8: Fitting Exponential Models To Data

Problem 1TI: Table 2 shows a recent graduate’s credit card balance each month after graduation. a. Use...

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