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5) Consider the following graph: -2- - 2 0 elsigsjol bus esvita a) Draw three secant lines, say S1, $2 , $3, such that they lead to a tangent line of your choice. ~10 Points ovilavitab bos allmil neawjed quenoffelon end eblow al b) Derive the limit definition of the derivative and labeling the graph with x, xth, f(x) and f(xth). ~10 points