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Answers To The Whole Assignment
1. middle graph
2. middle graph
3. in e^3 = 3, in e^2y=2y
4. in e^ln1=1, in e^ln5x=5x
5. A. In2
6. A. In4
7. B. ln a + 2 ln b C. ln a2 + ln b2 - ln a E. ln ab2
8. C. ln 25x + ln 1 D. ln 25x
9. In 3x= in3+ln x= in In 2a/b= In2+ln a-lnb
10. A. 4 ln 2 + 4 ln x B. ln 4 - 2 ln x + 5 ln y
11. A. x=5 B. x=6
12. C. {8} B. {3}
13. 5
14. Since 0 in ln(3x) - 0 is not a logarithm, the property of logarithms cannot be used here.The difference shown cannot be written as a quotient of logarithms.The step ln(x2) = ln(3x) - (0) reduces to
ln(x2) = ln(3x).The possible solutions are 0 and 3, with 0 being extraneous.
