The number of members of an online community increases each month. The function M(t) = N(1 + r) represents the number of members at month t, where is the initial number of members and r is the rate of increase. Select the correct statement. O A. N increases each month. О O B. The initial value is (1 + r). O C. The function is linear. O D. The value of Mis a product of N and a factor that does not depend on N.