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Unformatted text preview: f ( x ) =x 2 + 4 x3 is graphed at right, along with a tangent line that passes through the origin. The point of tangency is unknown. Suppose that at student attempts guess and check to locate the point of tangency. Her rst guess is x = 1 . 7. Is this guess correct? If yes, convince me. If not, should the next guess be to the left or to the right of 1.7? Why? 1...
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 Fall '08
 STAFF
 Calculus, Derivative

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