Practice exam 1 Solution - MATH 205-04 Practice Exam#1...

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MATH 205-04 Practice Exam #1 Solutions 1. (16 points) Determine the domains of the following functions: (a) (4 points) f ( x ) = x 3 - 3 x + 1
(b) (4 points) g ( t ) = 9 - t 2 .
(d) (4 points) q ( s ) = 8 s + 3 - ln(9 - s ) .
2. (9 points) Let f ( x ) = 5 x - 2 . (a) (1 point) Find lim x 3 f ( x ) .
(b) (8 points) Using epsilon-delta methods, justify your result above.

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