9-18

Find the inverse of each function. 9) y = log , 3" Condense each expression to a single logarithm. log , a 10) log, b + 4log , c+- 2 Use the properties of logarithms and the logarithms provided to rewrite each logarithm in terms of the variables given. 11) log , 11 = U 12) log, 4 = U log , 10 = V log , 10 = V log , 4 = W log, 11 = W Find log , 176 25 Find log , 4 Solve each equation. Round your answers to the nearest ten-thousandth. 13) -8 . 4 2x-8+3=-55 14) -3 . 6-9- 10=-72 Solve each equation. 15) 3 -2log, (6x - 6) =-3 16) 5log (6n + 10) -2=-2 17) log2 (3x2 + 2) - log 2 7 =1 18) log 6 2 + log. (4x2 + 8) =2