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Unformatted text preview: Assume k is another unknown function. Try to guess the derivative of y = fg hk 3. The graphs of a function, f , and its derivative, f , are shown at right. Suppose that g = x 2 f (a) Figure out which graph is f and which graph is f . (b) Find g (c) Estimate g (2). 2 Hints and Answers Challenge 1. (a) y = f gh + fg h + fgh (b) y = f gh + fg h-fgh h 2 (c) y = f gh-fg h-fgh ( gh ) 2 (d) y =-f gh-fg h-fgh ( fgh ) 2 2. y = f ghk + fg hk-fgh k-fghk ( hk ) 2 3. (a) Top graph is f , bottom is f . (b) g = 2 xf + x 2 f . (c) g (2) -60. 3...
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