Review Questions
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| 1. |
Suppose
the statement “If it rains, it pours” is false. Which of the following
statements must also be false? |
| (A) |
If it pours, it rains. |
| (B) |
If it doesn’t rain, it doesn’t pour. |
| (C) |
If it doesn’t pour, it doesn’t rain. |
| (D) |
If it doesn’t rain, it pours. |
| (D) |
If it doesn’t pour, it rains. |
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| 2. |
The
first term of an arithmetic sequence is –3, and each term thereafter
is 3 less than the previous term. What is the value of the 30th term
of the sequence? |
| (A) |
–93 |
| (B) |
–90 |
| (C) |
–87 |
| (D) |
3 |
| (D) |
87 |
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| 3. |
The nth
term of a sequence is given by the formula an =
6n – 3. What is the sum of the first 100 terms of
this sequence? |
| (A) |
300 |
| (B) |
29,700 |
| (C) |
29,850 |
| (D) |
30,000 |
| (D) |
60,000 |
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| 4. |
In
a geometric sequence, the nth term is given by
the formula bgn =  (2n). What is the sum of
the first 10 terms of this sequence? |
| (A) |
113.3 |
| (B) |
170.0 |
| (C) |
226.7 |
| (D) |
3069 |
| (D) |
3072 |
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| 5. |
What
is the limit of  as x approaches
–2? |
| (A) |
– |
| (B) |
0 |
| (C) |
 |
| (D) |
2 |
| (D) |
Impossible to tell |
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| 6. |
What
is 3(i5 – i14)? |
| (A) |
–3 |
| (B) |
3i |
| (C) |
3 |
| (D) |
3i + 3 |
| (D) |
 |
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