19. If the fitted annual trend for a stock price is y = 27 e0.213 t then A. the slow growth rate is not very attractive. B. the stock price seems to be approaching an asymptote. C. the stock is probably undervalued in today's markets. D. the stock would more than double every 4 years. 20. If a quadratic trend is fitted, and is compared to a linear trend, then the quadratic R A. will be at least as large as the linear R. B. will probably be lower than the linear R. C. may be higher or lower than the linear R. D. cannot be compared to the linear R2 (different units)