IAT SOLUTIONS - C_7.pdf

Chapter 7, continuedCopyright © by McDougal Littell, a division of Houghton Mifflin Company.23.24.ln x 0 0.693 1.099 1.386 1.609ln y 20.511 1.411 2.518 3.296 3.90225.ln y(1.609, 3.902)11 ln x(0, 20.511)3.902 2 (20.511)M 5 }} ø 2.741.609 2 0ln y 5 2.74 ln x 2 0.507ln y 5 ln x 2.74 2 0.507y 5 e ln x 2.74 2 0.507y 5 e 20.507 p e ln x 2.74y 5 0.6023x 2.7426.ln y(1.386, 2.734)(0.693, 1.569)11ln x2.734 2 1.569M 5 }}1.386 2 0.693 ø 1.68ln y 5 1.68 ln x 1 0.406ln y 5 ln x 1.68 1 0.406y 5 e ln x1.68 1 0.406y 5 e 0.406 ln x 1.68p ey 5 1.5008x 1.68ln y 2 3.902 5 2.74(ln x 2 1.609)ln x 0 0.693 1.099 1.386 1.609ln y 0.406 1.569 2.251 2.734 3.105ln y 2 2.734 5 1.68(ln x 2 1.386)ln x 0 0.693 1.099 1.386 1.609ln y 0.916 1.308 1.548 1.705 1.8252ln y(0, 0.916)(1.609, 1.825)1 ln x1.825 2 0.916M 5 }} ø 0.561.609 2 0ln y 2 1.825 5 0.56(ln x 2 1.609)ln y 5 0.56 ln x 1 0.924ln y 5 ln x 0.56 1 0.924y 5 e ln x0.56 1 0.924y 5 e 0.924 ln x 0.56p ey 5 2.5193x 0.56ln x 0 0.693 1.099 1.386 1.609ln y 20.211 20.010 0.104 0.191 0.2550.1ln y(1.386, 0.191)2 ln x(0.693, 20.010)0.191 2 (20.010)M 5 }} ø 0.291.386 2 0.693ln y 2 0.191 5 0.29(ln x 2 1.386)27. A; log y 5 2x 1 1ln y 5 0.29 ln x 2 0.2109ln y 5 ln x 0.29 2 0.210910 log y 5 10 2x 1 1y 5 e ln x0.29 2 0.2109y 5 e 20.2109 ln x 0.29p ey 5 0.8099x 0.29y 5 10 2x 1 1y 5 10 1 p 10 2xy 5 10 p (10 2 ) xy 5 10(100) xAlgebra 2Worked-Out Solution Key455