1) Calcule: a) log 27 log 125 b) c) log_4(sqrt(32)) 8 log2 27 d) 2) Calcule o valor de x: a) log, 8=3 1 log. 16 =2 b) c) log_2(x) = 5 d) log_9(27) = x e) log_(1/2)(32) = x 3) Calcule: a) log: 2 b) log, √7 510g 7 c) d) 2 ^ (log(7) + log(3)) e) 2 ^ (2 + 210E ^ 5) 4) Dados log a = 5, log(b) = 3e * log(c) = 2 calcule log((a * b ^ 2)/c) 5) Sendo log, 2= underline a + log y 3 = b calcule log_2(root(12, 4)) 6) Sendo log. underline 2 = underline 20 4 log_4(5) = 30 calcule log 100 7) Resolva as seguintes equações: a) log_(x - 3)(9) = 2 b) log_4(2x + 10) = 2 c) log_2(log_3(x - 1)) = 2 d)^ log_(x + 1)(x ^ 2 + 7) = 2 e)^ log_2(3) + log_2(x - 1) = log_0.2(6) f)^ log_3(2) + log_3(x + 1) = 1 \ 2 log(x) = log(2) + log(x) h) log_2(x ^ 2 + 2x - 7) - log_2(x - 1) = 2 8) Determine a solução da equação: log_z(x - 2) + log_z(x - 3) = 1 + log_z(2x - 7)