Let ()=2. (a) Calculate the rate of change of () over the

Chapter , Problem 4.1.45

(choose chapter or problem)

Let ()=2. (a) Calculate the rate of change of () over the following intervals (i) 0 1 (ii) 1 2 (iii) 2 3 (iv) 3 4 (b) What pattern do you notice? Use this pattern to guessthe value of the rate of change over 19 20 andthen check your answer.In 4647, use the following model for the annualrevenue for Amazon7 between 2009 and 2011:() = 24.48(1.4),where is in years since 2009, and () is in billion dollars.