Test2Solutions4

# Test2Solutions4 - F \$ A m Intermediate Algebra...

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F,\$m 11 - -- A.. Intermediate Algebra - Test #2 (Chapter 9) 1. (1 0 pfs.) Graph: f (x) = 3*-l. Plot at least 5 points. (**Notice that the " x - 1 " is all in the I exponent* *) 2. 0 pts.) Simplify the following: (Prepared by Kathy Williamson)

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J-* 3. (5 pts. each) Rewrite as an exponential equation and soh -. 'r .I I I a log5- 3 3 I 5 = x, 5'. \zs 1 - --; L, 1 '-1 4. (5 pts. each) Solve the following equations. Where appropriate, round your answer to3decimal places: a. lnx=4 logLx~yi t F -- J - q +r
b--. - -- A-- =- - 9 -= . -. - - ,- z -.----- --! ' ,, - .. - -.:ill I .- 8\$\$&+)-.-Pbe 5. (1 5 pts.) In - 1999 Derek invested in a building that cost \$10,000. By 2004, fair-market value for the building was \$19,000. Assume that the value of the lot is increasing exponentially as time goes on. ha. Find the value k, and write an exponential function that describes the value of the lot t years after

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Test2Solutions4 - F \$ A m Intermediate Algebra...

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