College Algebra: Concepts and Models- ACE Practice Tests

ACE Practice Test
College Algebra: Concepts and Models
Chapter 5-1 : Exponential and Logarithmic Functions

 1 Use a calculator to evaluate 1000(1.025)-6. Round your answer to three decimal places.
A. 1159.693
B. 862.297
C. -6150.000
D. -1159.693

 2 Use a calculator to evaluate 24. Round your answer to three decimal places.
A. 6065.331
B. 21,680.111
C. 50.265
D. 25.133

 3 Use a calculator to evaluate e1.3. Round your answer to three decimal places.
A. 8.155
B. 3.534
C. 3.669
D. 442,413.392

4. Match each exponential function with its graph.
 1. f(x) = 3x 2. f(x) = 3-x 3. f(x) = 3x - 4 I. II. III.
A. Function 1 = I
Function 2 = III
Function 3 = II
B. Function 1 = III
Function 2 = I
Function 3 = II
C. Function 1 = I
Function 2 = II
Function 3 = III
D. None of the above

 5 Sketch the graph of f(x) = e2x.
A.
B.
C.
D. None of these

 6 Use the following information to decide which series of numbers below completes the table correctly. Determine the balance A if \$2000 is invested at a rate of 10 0.000000or 15 years and compounded n times per year.
A. \$8354.50, \$8799.58, \$8907.84, \$8961.54, \$8354.50
B. \$2019.15, \$2077.72, \$2242.34, \$64,842.99, \$8963.38
C. \$8354.50, \$8799.58, \$8907.84, \$8961.54, \$8963.38
D. None of these

 7 The demand function for a certain product is given by P = 750 - 0.4e0.005x. Find the price p for a demand of x = 1200 units.
A. \$588.63
B. \$267.59
C. \$747.60
D. \$403.43

 8 Sketch the graph of g(x) = 5x.
A.
B.
C.
D. None of these

 9 Sketch the graph of h(x) = 5x - 2.
A.
B.
C.
D. None of these

 10 Sketch the graph of .
A.
B.
C.
D. None of these

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