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1. Using the definition of the derivative, show that if f(x) = x-4x, f'(x)=2x-4 (4 points) 2. Using the information from #1, find the
1. Using the definition of the derivative, show that if f(x) = x-4x, f'(x)=2x-4 (4 points) 2. Using the information from #1, find the equation of the line tangent to f(x) = x - 4x at the point where x = 1 (3 points) 3. Sketch a graph of f(x) and the tangent line you found in #2 on the same set of axes. (3 points)
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
