What is the answer to this question please?

Question 3 Not yet answered Marked out of 1.00 Flag question How would you write down a linear univariate model in which turnover, T, depends on assets, K, and an error term, u? Select one: O log T = a + b xK +u O T = a + b / K + u O T = a + b x K +u O log K = a + b x log T + u O log T = log a + u