Calculus I

Test #2. In #1 - 5, find dy/dx. Show any necessary work. Simplify. 1.) y = x2 - x + cos2x 2.) y = (3 - 2x)234 3.) y = (2x4 + 1)3(sec(5x) - 5)3. 4.) 5.) y = sin(6x) 6.) Use the definition of derivative to find the derivative of f(x) = x2 - x. 7.) A ball is thrown from the top of a 1000 foot tall tower with a downward velocity of 42 feet/second. a.) ................
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