Solution: 2831. Fixed points An important question about

Chapter 4, Problem 31

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2831. Fixed points An important question about many functions concerns the existence and location of fixed points. A fixed point of f is a value of x that satisfies the equation f 1x2 = x; it corresponds to a point at which the graph of f intersects the line y = x. Find all the fixed points of the following functions. Use preliminary analysis and graphing to determine good initial approximations. f 1x2 = 2x cos x on 30, 24

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