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crazyphy
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Homework Statement
a.Prove that the function f(x)=x-(arctan x)^2+8arctan x -19 has one x- intercept.
b.Let Xo be the x-intercept of f(x). Use the intermediate value Theorem to find two consecutive integers n1,n2 such that n1 biger than Xo and Xo biger than n2