Question: 2. (4 pts) Consider the function cos(x2) + 2 sin(:c) f (x) on the interval [1, 3.5]. Use the SageMath evaluation cell below Exercise 2

2. (4 pts) Consider the function cos(x2) + 2 sin(:c) f (x) on the interval [1, 3.5]. Use the SageMath evaluation cell below Exercise 2 in the online version of the lab to answer the following questions. (a) Dene df (x) to be the derivative of f (3:) Then, plot the derivative of f (ac) on the given interval. Attach a printout of the plot to your lab report. (b) Observe that f'(x) has three roots on the given interval. Use the find_root() command to identify each of these roots. (c) What are the critical points of f (x) on the interval [1, 3.5]

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