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Pre-Cal Unit 6 Review
Test Description: Series, binomial theorem, permutations, combinations, probability, limits, continuity
Instructions: Answer all questions to get your test result.
1) Evaluate the series (10-n) from n=0 to 4.
A
30
B
40
C
35
D
25
2) Use Pascal's Triangle to expand (x + 2)^3
A
x^3 + 8x^2 + 24x + 6
B
x^3 + 3x^2 + 3x + 1
C
x^3 + 10x^2 + 18x + 24
D
x^3 + 6x^2 + 12x + 8
3) Does choosing a 4-digit PIN involve a combination or permutation?
A
neither
B
combination
C
permutation
D
don't choose this one
4) How many different ways can 4-digit PIN be chosen?
A
400
B
250
C
40
D
5040
5) What is the probability of rolling a number greater than 4 on a fair die?
A
0.17
B
0.67
C
0.5
D
0.33
6) If there is a jump discontinuity at x=2, then the limit of f(x) as x approaches 2...
A
DNE
B
exists
C
not enough information
D
don't choose this one
7) If there is a removable discontinuity at x=2, then the limit of f(x) as x approaches 2...
A
not enough information
B
exists
C
DNE
D
don't choose this one
8) Find the limit as x approaches 2: x^2 - 5x + 3
A
-3
B
-7
C
4
D
6
9) Find the limit as x approaches infinity: 8 - (1/x)
A
8
B
0
C
1
D
DNE
10) Find the limit as x approaches infinity: (2x^2 + 4)/(3x^2 - 1)
A
0
B
3/4
C
-4
D
2/3
*select an answer for all questions
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