Question: Graph the following functions by hand using the first and second derivative. The full-mark answer will contain a graph together with the chart of positive

Graph the following functions by hand using the first and second derivative. The full-mark answer will contain a graph together with the chart of positive and negative values for each y, y' and y'', and naming each significant point in all three and its purpose. For each function.

a) y=sinxex-ecosx

b) y=x3sin(1/x)

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