Math 194 Fall 2007 Exam.2

# Math 194 Fall 2007 Exam.2 - Name:_ Exam #2 Math 194 Fall...

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Name:______________________________________ Math 194 Exam #2 Fall 2007 DO NOT WRITE IN THIS AREA 1 2 3 4 5 6 7 8 9 Total Points /60 1. (3 points each) Given the exponential functions below, give the y-intercept of each. Also tell whether that function is increasing or decreasing and why . a) t t f ) 0762 . 0 ( 5 ) ( = b) ( 29 x x p 004 . 1 22 . 0 ) ( = 2. (3 points each) Re-write the following using log or ln instead of exponents: a) 000 , 10 10 4 = b) x e y =

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3. (3 points each) Rewrite the following using exponents instead of logs: a) 60206 . 0 4 log = b) 0 1 ln = 4. (3 points) What is the equation of the asymptote for the function y = log x? (Here’s a graph if you want it!!!!!!)
5. (4 points each) Solve the following exponential equations. a) ( 29 99 04 . 1 33 = t b) 5 20 1 3 = - t e

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6. Larry and Mary both had a cup of coffee today. Larry had a large, so he drank 200 mg of caffeine. The caffeine leaves Larry’s body at a rate of 18% per hour. Mary had a small cup, but with a triple shot of espresso in it, so she had
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## This note was uploaded on 12/21/2011 for the course MAT 194 taught by Professor Staff during the Fall '08 term at Syracuse.

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Math 194 Fall 2007 Exam.2 - Name:_ Exam #2 Math 194 Fall...

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