Recent content by pugola12

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    How do I use the product rule to find dy/dx of y=(cosx)^x?

    Homework Statement Find dy/dx of y=(cosx)^x Homework Equations d/dx of a^u=lna*a^u*u' The Attempt at a Solution I thougt I just had to follow the form shown above, and this is what I got. y=(cosx)^x dy/dx=ln(cosx)*(cosx)^x*1 dy/dx=ln(cosx)*(cosx)^x However, the actual...
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    What Is the Speed of the Block at the Bottom of the Ramp?

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    What Is the Speed of the Block at the Bottom of the Ramp?

    Homework Statement Starting from rest an 11kg block slides 11.9m down a frictionless ramp (inclined at 30° from the floor) to the bottom. The block then slides an additional 26.3m along the floor before coming to a stop. The acceleration of gravity is 9.8 m/s^2. Find the speed of the block...
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    Factoring a difficult polynomial so that I can extend equation

    Oh gee, I completely forgot about that. (It's been a while since Algebra II) That makes total sense. Thank you so much for your help!
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    Factoring a difficult polynomial so that I can extend equation

    Homework Statement Give a formula for the extended function that is continuous at the indicated point. (x3-4x2-11x+30)/(x2-4), x=2 Homework Equations The Attempt at a Solution I know that I have to factor the top and bottom so that I can cancel terms that cause the function to...