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1. |
Simplify  . |
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A. |
9s2|t|5 |
B. |
3|s|t4 |
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C. |
3s2|t|3 |
D. |
3s2|t|5 |
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Hint |
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2. |
Determine the amount of money in a money market account providing an annual rate of 7% compounded daily if George invested $2500 and left it in the account for 10 years. |
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A. |
$4917.88 |
B. |
$4974.47 |
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C. |
$5034.04 |
D. |
$4915.25 |
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Hint |
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3. |
What is the y-intercept of the graph of y = 2x + 5? |
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A. |
(0, 6) |
B. |
(0, 5) |
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C. |
(0, 1) |
D. |
(0, 32) |
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Hint |
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4. |
The number e is _____. |
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A. |
rational and approximately 3.142 |
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B. |
irrational and approximately 2.718 |
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C. |
rational and approximately 2.718 |
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D. |
irrational and approximately 3.142 |
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Hint |
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5. |
Write the equation  in exponential form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Evaluate the expression  . |
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A. |
 |
B. |
-3 |
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C. |
 |
D. |
3 |
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Hint |
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7. |
Write the equation y = 15,000(1.02)x in terms of base e. |
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A. |
y = 15,000(1.02)ln x |
B. |
y = 15,000ex |
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C. |
y = 15,000(1.02)e ln x |
D. |
y = 15,000e0.0198x |
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Hint |
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8. |
Solve  . Round to the nearest tenth. |
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A. |
23,836.0 |
B. |
25,165.3 |
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C. |
37.1 |
D. |
38.4 |
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Hint |
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9. |
Compare the balance after 15 years of a $5,000 investment earning 7.12% interest compounded continuously to the same investment compounded semiannually. |
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A. |
You would earn the same from both accounts. |
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B. |
You would earn $267.67 more by choosing the compounded annually account. |
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C. |
You would earn $267.67 more by choosing the compounded continuously account. |
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D. |
You would earn $376.31 more by choosing the compounded continuously account. |
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Hint |
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10. |
Evaluate log(6(3)-4) |
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A. |
-5.0211 |
B. |
-1.1303 |
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C. |
2.6355 |
D. |
2.6866 |
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Hint |
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11. |
Solve 7x = 6x + 2. |
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A. |
-23.2469 |
B. |
11.6234 |
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C. |
23.2469 |
D. |
-27.4312 |
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Hint |
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12. |
Convert log4364 to a natural logarithm and evaluate. |
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A. |
4.2559 |
B. |
4.4889 |
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C. |
0.2351 |
D. |
4.2539 |
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Hint |
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13. |
Solve -11.4lnx = 9.5 |
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A. |
2.3010 |
B. |
0.3012 |
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C. |
0.8208 |
D. |
0.4346 |
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Hint |
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14. |
What interest rate is required for an investment with continuously compounded interest to double in 5 years? |
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A. |
3.86% |
B. |
3.47% |
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C. |
6.93% |
D. |
13.86% |
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Hint |
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