Chapter 7 - Exponents and Exponential Functions - Chapter Test - Page 467: 16

$f(-1) = 4.21$ $f(2) = 3.61$ $f(3) = 3.43$

$f(x) = 4*(.95)^x$ $f(-1) = 4*(.95)^{-1}$ $f(-1) = 4*1/.95$ $f(-1) = 4/.95 = 4.2105$ $f(2) = 4*(.95)^2$ $f(2) = 4*.9025$ $f(2) = 3.61$ $f(3) = 4*(.95)^3$ $f(3) = 4*.857375$ $f(3) = 3.4295$