If 3^(x + 1) = 4, then find 3^(2x - 1).
Log both sx
(x+1) log 3 = log 4
(x+1) = log 4 / log 3 = 1.2619
x = .2619
then 3^(2(.2619)-1) = .5926
or another way:
3 * 3^x = 4
3x = 4/3
3(2x-1) = 3x 3x /3 = (4/3 * 4/3 ) / 3 = 16/9 / 3 = 16/27 = .5926
+36914 
