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1. |
Evaluate  . |
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A. |
4 |
B. |
3 |
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C. |
2 |
D. |
8 |
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Hint |
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2. |
The y-intercept for the exponential function y = bx is _____. |
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A. |
(0, -1) |
B. |
(0, 1) |
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C. |
(0, 0) |
D. |
(0, 2) |
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Hint |
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3. |
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. |
$5034.04 |
B. |
$4915.25 |
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C. |
$4917.88 |
D. |
$4974.47 |
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Hint |
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4. |
Graph y = log10 (x + 3). |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Given that log 5 = 0.6990, evaluate log 5000. |
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A. |
3.6990 |
B. |
4.6990 |
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C. |
2.6990 |
D. |
5.6990 |
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Hint |
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6. |
Express  using rational exponents. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Find the balance of a $5,000 investment after 10 years earning 6.75% interest compounded continuously. |
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A. |
$5,349.15 |
B. |
$5,033.86 |
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C. |
$10,033.86 |
D. |
$9,820.16 |
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Hint |
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8. |
Find the balance of a $500 investment after 18 years earning 7.9% interest compounded continuously. |
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A. |
$2,146.32 |
B. |
$2,072.70 |
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C. |
$502.20 |
D. |
$541.10 |
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Hint |
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9. |
Write the equation 34 = 81 in logarithmic form. |
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A. |
log381 = 4 |
B. |
log481 = 3 |
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C. |
log34 = 81 |
D. |
log43 = 81 |
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Hint |
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10. |
Solve 46x = 496. |
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A. |
4.4771 |
B. |
3.6413 |
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C. |
0.7462 |
D. |
0.6472 |
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Hint |
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11. |
Solve 7.3 = 14.1 lnx. |
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A. |
3.9941 |
B. |
-0.6583 |
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C. |
1.6782 |
D. |
-0.2859 |
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Hint |
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12. |
Solve 53x = 8x - 2 by using natural logarithms. |
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A. |
-1.5129 |
B. |
0.8985 |
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C. |
-0.6021 |
D. |
1.5129 |
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Hint |
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13. |
What interest rate is required for an investment with continuously compounded interest to double in 5 years? |
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A. |
6.93% |
B. |
3.47% |
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C. |
13.86% |
D. |
3.86% |
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Hint |
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14. |
Find the amount of time needed for an investment to double at a rate of 7.1% if the interest is compounded continuously. |
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A. |
9.76 years |
B. |
4.3 years |
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C. |
2.5 years |
D. |
11.2 years |
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Hint |
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