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Unformatted text preview: (a) lim x → 16 4√ x x16 (b) lim x →∞ 6 x 2 √ 7 x 4 + 9 3 (c) lim x →2 x 2 + x2 x 2 + 4 x + 4 4 4. (a) At which numbers is the function h ( x ) = cos ± x 1x 2 ² continuous? Justify your answer. (b) What is lim x → h ( x )? Explain your reasoning. 5 5. Suppose, for some bizarre reason, NASA built a giant landing platform at the level of the cloud tops on Jupiter. If you’re standing on the platform and toss a ball straight up with an initial velocity of 32 m/s, its height (in meters) above the platform is given (approximately) by s ( t ) =13 t 2 + 32 t. Given that, what is the velocity of the ball 2 seconds after you release it? 6...
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 Fall '08
 CHESTKOFSKY
 Math, Calculus

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