Find the third iteration value of an extremum (maximum/minimum value) of z F2.png ... f(x) = In(ax + 20) + bx³ – cx + 23x if a = 4, b = 0.25, and c = 6 using Newton's Method with an initial guess...

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Extracted text: Find the third iteration value of an extremum (maximum/minimum value) of z F2.png ... f(x) = In(ax + 20) + bx³ – cx + 23x if a = 4, b = 0.25, and c = 6 using Newton's Method with an initial guess value of x = 1.15 Round off the final answer to five decimal places but do not round off on previous calculations. Add your answer