4 Hughesco is interested in determining how cutting fluid jet pressure (p) affects the useful life of a machine tool (t), using the data in Table 11. Pressure p is constrained to be between 0 and 600 pounds per square inch (psi). Use Golden Section Search to estimate (within 50 units) the value of p that maximizes useful tool life. Assume that t is a unimodal function of p

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FIGURE 39 0 TABLE 11 p (Pounds per Square Inch) t (Minutes) 229 39 371 81 458 82 513 79 425 84 404 85 392 84