A function f(x) has the graph given in Fig. 7. Let x₁ and x₂ be the estimates of a root of f(x) obtained by applying the Newton–Raphson algorithm using an initial approximation of x₀ = 5. Draw the appropriate tangent lines and estimate the numerical values of x₁ and x₂.

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2 Y HHH 48 Figure 7 2 ITETTII CO. 3 4 +x 4.0 5