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Unformatted text preview: M408C Practice problems for Exam 1 Directions . Indicate the correct answer for each problem by filling in the appropriate space, as in (A) ( ) (C) (D) (E). 1) Which one of the following statements is true ? (A) If lim x c f ( x ) exists, then it is equal to f ( c ). (B) lim x / 3 x csc( x + 3 ) = 2 3 3 . (C) If lim x c h ( x ) and lim x c g ( x ) exist, then lim x c h ( x ) g ( x ) exists. (D) lim x 3 x 3 x 2 5 x = 12. 2) The set of all x which satisfy  2 x 1  5 is: (A) ( 2 , 3). (B) ( , 2] [3 , ). (C) [ 2 , ). (D) [ 2 , 3]. (E) ( , 3]. 3) If lim x 2 + g ( x ) = 3, lim x 1 + g ( x ) = 1 and lim x 1 + f ( x ) = 2, then lim x 1 + [3 f 2 ( x ) + g (2 x )] = (A) 9. (B) 6. (C) 3. (D) 12. (E) 4. 4) If f ( x ) is as shown to the right, which figure below shows f ( x ) 2?...
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 Fall '07
 Ambler

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