Question: solve by using matlab program 1. Graph the function f(x) = x(x2 - 1)(x + 2) and its derivative in the window [-2.5,1.5] by [-20,

solve by using matlab program

1. Graph the function f(x) = x(x2 - 1)(x + 2) and its derivative in the window [-2.5,1.5] by [-20, 20). Answer the following questions in interval notation by inspection of this graph. a. Over what intervals does the graph off appear to be rising as you move from left to right? (for a f(b)) d. Over what intervals does the graph off' appear to be below the x-axis? e. What are the x-coordinates of all of the peaks and valleys of the graph off? Identify which is a peak and which is a valley. f. For what values of x does the graph off' appear to meet the x-axis

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