test2 - MAT 194 NAME OCTOBER 30, 2008 TEST 2 There are 9...

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MAT 194 NAME OCTOBER 30, 2008 TEST 2 There are 9 problems in the exam. Present your work clearly for the partial credit. No credit will be given for unsup- ported answers. No books or notes are permitted in this examination. Box your final answers whenever possible. Turn off your cell phone before the examination starts. CHECK THE EXAMINATION BOOKLET BEFORE YOU START. THERE SHOULD BE 9 PROBLEMS ON 6 PAGES (INCLUDING THIS ONE). Question SCORE 1 (10 pts) 2 (6 pts) 3 (18 pts) 4 (12 pts) 5 (5 pts) 6 (10 pts) 7 (6 pts) 8 (20 pts) 9 (13 pts) TOTAL
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MATH 194 TEST 2 PAGE 2 1. (a) (5 pts) Simplify and leave without radicals if possible: (16384 x 7 z 3 ) 1 / 7 z - 3 / 7 (b) (5 pts) Simplify, if possible: 1 - 36 x - 2 x - 1 - 6 x - 2
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MATH 194 TEST 2 PAGE 3 2. (6 pts) Find a formula for f ( x ), an exponential function such that f ( - 2) = 1 3 and f (3) = 81. 3. A colony of bacteria grows exponentially. The colony starts with 8 bacteria, but 3 hours after the beginnig of the experiment, it has grown to 27 bacteria. (a) (5 pts)
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test2 - MAT 194 NAME OCTOBER 30, 2008 TEST 2 There are 9...

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