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    BlackPen's Avatar
    BlackPen Posts: 1, Reputation: 1
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    #1

    Nov 14, 2017, 06:10 PM
    Deriving Function Problem
    Suppose that g is a real valued, differentiable function whose derivative g' satisfies the inequality |g'(x)|less than or equal to M for all x in R.
    Show that if epsilon is greater than 0 is small enough, then the real valued function f defined by f(x)=x+epsilon*g(x) is one to one and onto.
    Recall that a function f is said to be "one to one" if x sub 1 does not equal x sub 2 implies that f(x sub 1) does not equal f(x sub 2), and f is said to be "onto" if for every real number y, there is a real number x such that f(x) = y.
    smoothy's Avatar
    smoothy Posts: 25,495, Reputation: 2853
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    #2

    Nov 14, 2017, 06:54 PM
    Homework rules REQUIRE you to show your work and what you have for an answer, you failed to cut and paste that part of your homework assignment,

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