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Choose the graph of the function y = 2 x from the following:

1. 2. 3. 4. Choose the graph of the function y = 2 x from the following:. {applet} {applet} {applet} {applet}. Find the function of the form f (x) = C a x whose graph is given. {applet} Choose the answer from the following:. f ( x ) = 2(3 x ) f ( x ) = 3(2 x )

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Choose the graph of the function y = 2 x from the following:

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  1. 1. 2. 3. 4. Choose the graph of the function y = 2 x from the following: • {applet} • {applet} • {applet} • {applet}

  2. Find the function of the form f (x) = C a x whose graph is given. {applet} Choose the answer from the following: • f (x) = 2(3 x) • f (x) = 3(2 x) • f (x) = 2(3 -x) • f (x) = 3(2 -x)

  3. If $100,000 is invested at an interest rate of 5% per year, compounded semiannually, find the value of the investment after 10 years. Choose the answer from the following: • $163,862 • $61,027 • $100,000 • $173,862

  4. 1. 2. 3. 4. Graph the function and its asymptotes. {image} • {applet} • {applet} • {applet} • {applet}

  5. Evaluate the expression: e 2 ln 3Choose the correct answer from the following: • 9 • 6 • 8 • 5.294

  6. Find the solution of the exponential equation, correct to four decimal places. 5 + 3 5x = 10 • x = 0.2930 • x = 1.4164 • x = 0.7461 • x = 1.0053

  7. Solve the logarithmic equation for x: log ( 7 x + 1 ) = 1 Choose the correct answer from the following ( answers are rounded to two decimal places ): • x = 1.29 • x = 0.64 • x = 0.32 • x = 1.43 • None of these

  8. A 20-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m ( t ) = 20 e- 0.085 t where m( t ) is measured in grams. After how many days is there only 14 g remaining? Choose the correct answer from the following (the answers were rounded to the nearest days): • 4 days • 5 days • 3 days • 6 days

  9. The number of bacteria in a culture is modeled by the function n ( t ) = 100 e0.75 t where t is measured in hours. What is the initial number of bacteria? Choose the correct answer from the following : • 100 bacteria • 200 bacteria • 1 bacteria • 75 bacteria

  10. If 260 mg of a radioactive element decays to 210 mg in 60 hours, find the half-life of the element (in hours). Choose the correct answer from the following : • 194.73 h • 280.93 h • 405.30 h • 41.59 h

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