Chapter 1 - Functions - 1.3 Inverse, Exponential, and Logarithmic Functions - 1.3 Exercises - Page 36: 50

$ - 0.37$

$\log_{b}(\sqrt x \sqrt y) /z$ $=\log_{b}\sqrt x \sqrt y - \log_{b}z $ $=0.5\log_{b}xy - \log_{b}z$ $=0.5(\log_{b}x+log_{b}y) - \log_{b}z$ $ = 0.5(0.36+0.56) - 0.83$ $ = .18+0.28 - 0.83$ $ =0.46 - 0.83$ $ = - 0.37$