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The table below gives U.S. lead emissions, L. into the environment in millions of metric tons for 1970-1992. Let t = 0 in 1970. 1970 1975 1980 1985 1988 1989 1990 1991 1992 8 5.6 5.2 4 Year Lead emissions 224.3119.8 44.4 17.6 8.4 (a) Find an exponential model for these data. Lead emission, L(1) = (b) Find a fourth-degree polynomial model for these data. Lead emission, L(1) - (c) Which of these curves gives a better model for the data? OA. exponential model

The table below gives U.S. lead emissions, L. into the environment in millions of metric tons for 1970-1992. Let t = 0 in 1970. 1970 1975 1980 1985 1988 1989 1990 1991 1992 8 5.6 5.2 4 Year Lead emissions 224.3119.8 44.4 17.6 8.4 (a) Find an exponential model for these data. Lead emission, L(1) = (b) Find a fourth-degree polynomial model for these data. Lead emission, L(1) - (c) Which of these curves gives a better model for the data? OA. exponential model

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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The table below gives U.S. lead emissions, L, into the environment in millions of metric tons for 1970-1992. Let t = 0 in 1970. %3D Year 1970 1975 1980 1985 1988 1989 1990 1991 1992 Lead emissions 224.3119.8 44.4 17.6 8.4 5.6 5.2 8 4. (a) Find an exponential model for these data. Lead emission, L(1) = (b) Find a fourth-degree polynomial model for these data. Lead emission, L(1) = (c) Which of these curves gives a better model for the data? OA. exponential model OB. fourth-degree polynomial (d) Estimate the lead emission in 1982 according to the polynomial model in part (b).
Transcribed Image Text:The table below gives U.S. lead emissions, L, into the environment in millions of metric tons for 1970-1992. Let t = 0 in 1970. %3D Year 1970 1975 1980 1985 1988 1989 1990 1991 1992 Lead emissions 224.3119.8 44.4 17.6 8.4 5.6 5.2 8 4. (a) Find an exponential model for these data. Lead emission, L(1) = (b) Find a fourth-degree polynomial model for these data. Lead emission, L(1) = (c) Which of these curves gives a better model for the data? OA. exponential model OB. fourth-degree polynomial (d) Estimate the lead emission in 1982 according to the polynomial model in part (b).
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