Recent content by shwanky

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    Projectile Motion: Throwing a Package to Reach a 2nd Story Window

    Homework Statement Standing on the ground 3.0m from the wall of a building you want to throw a package from your 1.5m shoulder level to someone in a second-floor window 4.2m above the ground. At what speed and angle should you throw the package so it just barely reaches the window...
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    C/C++ Creating a Wrapper Class in C++

    The assignment I have is t write a wrapper class for a templated singly linked list.
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    C/C++ Creating a Wrapper Class in C++

    Can anyone give me a simple example of how to creating a wrapper class in C++? Or maybe a link to a tutorial would also do.
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    C/C++ Namespace friend functions C++

    So I have this Class Random that needs to have a friend function sort which needs to exist in two namespaces. Class Random { ... Some stuff friend void sort(Random &x); } namespace ascending { void sord(Random &x) { ... Some Stuff } }...
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    Find Derivative of f(x) = x - \sqrt{x}

    ok, I'll have to practice that one. :) thanks
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    Find Derivative of f(x) = x - \sqrt{x}

    Well, I read one chapter a head so I figured out how to do it using the power rule.. :-/ it's a way easier that way.
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    Find Derivative of f(x) = x - \sqrt{x}

    Homework Statement f(x) = x - \sqrt{x}Homework Equations f'(x) = \lim_{h \to 0} \frac{f(a+h)-f(a)}{h}The Attempt at a Solution I'm not exactly sure how to solve this problem. I plugged the problem into the equation and got stuck... I have a class right now, so I'll have to post my work later.
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    Proof: Show that f(x) is continuous at a

    My professor just shows a) f(a) must be defined b) \lim_{x \to a} f(x) must exist c) \lim_{x \to a} f(x) = f(a) I looked in my book and the section which uses the epsilon delta proof was skipped... He said it's to complicated to for us right now and will come back to it at the end of...
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    Find the equation of a tangent line to y=f(x)

    Homework Statement Find the equation of the tangent line to the curve at the given point. y = \sqrt{2x+1} , (4, 3)Homework Equations a = 4 M =\lim_{x \to a} \frac{f(x) - f(a)}{x-a} or Mpq = \lim_{h \to 0} \frac{f(a+h) - f(a)}{h} The Attempt at a Solution M =\lim_{x \to 4} \frac{f(x) -...
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    Proof: Show that f(x) is continuous at a

    How exactly would I show that they are true then?
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    Proof: Show that f(x) is continuous at a

    It's not so much the symbols or the concepts that are hard, it's the explanation... I'm trying to understand my professors Korean-English while attempting comprehend the course work. He's a nice guy and I don't mind him as a teacher. But sometimes his explanation is more confusing than the...
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    Proof: Show that f(x) is continuous at a

    I can't believe I have 3 years of this... -.-, I think I'm going to die. lol
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    Proof: Show that f(x) is continuous at a

    I'm currently using Stewart "Calculus" 5th ed, Brooks/Cole. I dont' know if we get to epsilon delta proofs further along in the book, but for now they aren't discussed in any of the chapters that have been assigned.
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    Proof: Show that f(x) is continuous at a

    freshman... for the love of God freshman ^.^... hehe... I hope at some point this thing starts making some sense...
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