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2 Solved Problems to Find the Percentage of Model - Quiz 2 | MATH 1743, Quizzes of Mathematics

Material Type: Quiz; Professor: Barksdale; Class: Calculus I for Business, Life and Social Sciences; Subject: MATHEMATICS; University: University of Oklahoma; Term: Spring 2010;

Typology: Quizzes

2009/2010

Uploaded on 05/25/2010

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Download 2 Solved Problems to Find the Percentage of Model - Quiz 2 | MATH 1743 and more Quizzes Mathematics in PDF only on Docsity!

Math 1743, Barksdale Spring 2010 QUIZZA Name: Section: ROW #: FORM A Please state your answer clearly! The point values for each problem are given. Read the problems very carefully! Label all numeric answers, where necessary! A number is useless without a label or written description! Recall the four necessary elements of a model! 1. The table shows the circulation of a village library from 1992 through 2002. Year 1992 | 1994 | 1996 | 1998 | 2000 ; 2002 Circulation 463 | 523 | 587 | 672 | 780 | 877 {in thousands of books) a a.) Generate a complete exponential model. (7 pts) (l= 45120 (1.060" thovea-d Aa Vo geen fen | (992, b.) What is the circulation in the year 1997? (3 ptsy " C(5) = 634,645 635 Ahoword tools. 2 c.) Find the percentage change of the model. @G pts) 3 |,067—-Nl00% = 67% 2. A population of 158,000 bacteria is observed to decrease exponentially by 12.7 % each hour after the 4 introduction of a certain anti-bacteria. Find an exponential model for the population of bacteria. (7 pts) b= |—.i27 = .3873 a = 15%600 < peer [s8CIB) henoerd! dn hence & “ gt oma, of tir inthedludiin Sf antibectrn,