Unformatted text preview: z xy 2 2 log into sums and differences of logarithms. 15. Write the expression 2 ⋅ ln x – ln y + 3 ⋅ ln z as a single logarithm. 16. Use the changeofbase formula to approximate 18 log 5 to three decimal places. 17. Find the domain and the range for the function ( 29 x e x f = . Express both in interval notation. 18. Find the total amount of money in the account ( 29 nt n r P t A + = 1 if an investor deposits $8,000 in a certificate of deposit for 10 years at 6% interest compounded quarterly. In problems 19 – 24, solve the equations. Round answers to three decimal places where needed. 19. 72 5 = x 20. 3 log 5 = x 21. 4 81 log = b 22. 3 1 2 log = b 23. ln x = 2 24. ln(2 x – 3) = ln( x + 2)...
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This note was uploaded on 09/22/2008 for the course MATH 0350 taught by Professor Anntriplett during the Fall '07 term at Tarrant County.
 Fall '07
 ANNTRIPLETT
 Algebra

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