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Unformatted text preview: 3. Find the derivative of f x ( ) = 2 x " 2 at the point x = " 2 using the definition " f a ( ) = lim h # f a + h ( ) $ f a ( ) h . Find the equation of the tangent line at the point x = " 2 . 4. Given the function f x ( ) = " 2 x 2 : a. Estimate " f x ( ) by using the average rate of change formula. Let h = 0.1. b. Calculate " f x ( ) using the definition " f x ( ) = lim h # f x + h ( ) $ f x ( ) h . 5. The graph of f is given below. At which of the marked x-values can the following statements be true? No justification is necessary . a. f x ( ) < b. " f x ( ) < c. " " f x ( ) < d. f x ( ) is increasing e. " f x ( ) is increasing...
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