Question: 4. Given f(x) = x + x + 8x-1 (a) Show that the function f(x) has a root in the interval [-2, 0]. (b) Perform

4. Given f(x) = x + x + 8x-1 (a) Show

4. Given f(x) = x + x + 8x-1 (a) Show that the function f(x) has a root in the interval [-2, 0]. (b) Perform three iterations of the Newton-Raphson method on f(x) to find the root using an initial value of x = -1. (c) Describe briefly what the results for (b) show

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