If \(\log_2 (4x - 4) = 2\), then find \(\log_4 x\)
log2(4x - 4) = 2 ---> 4x - 4 = 22 ---> 4x - 4 = 4 ---> 4x = 8 ---> x = 2
log42 = ? ---> 4? = 2 ---> (22)? = 21 ---> 22·? = 21 ---> 2·? = 1 ---> ? = ½
log42 = ½