Name: 
 

Math 12 Pre-Calc LG 19 Practice Unit 6 Test #4



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of the reciprocal functions has a vertical asymptote with equation mc001-1.jpg?
A.
mc001-2.jpg
C.
mc001-4.jpg
B.
mc001-3.jpg
D.
mc001-5.jpg
 

 2. 

Which rational function has the following characteristics?
• a vertical asymptote with equation mc002-1.jpg
• a horizontal asymptote with equation mc002-2.jpg
• a point of discontinuity at mc002-3.jpg
A.
mc002-4.jpg
C.
mc002-6.jpg
B.
mc002-5.jpg
D.
mc002-7.jpg
 

 3. 

What are the x-intercepts of the graph of mc003-1.jpg?
A.
2, –7
C.
3, 5
B.
–3, –5
D.
–2, 7
 

 4. 

Given the functions mc004-1.jpg and mc004-2.jpg, determine an equation for the combined function mc004-3.jpg.
A.
mc004-4.jpg
C.
mc004-6.jpg
B.
mc004-5.jpg
D.
mc004-7.jpg
 
 
For the following question(s), assume that x is in radians, if applicable.
 

 5. 

Given the functions mc005-1.jpg and mc005-2.jpg, what is the range of the composite function mc005-3.jpg?
A.
mc005-4.jpg
C.
mc005-5.jpg
B.
cannot be determined
D.
mc005-6.jpg
 

 6. 

Shown is the graph of mc006-1.jpg, where mc006-2.jpg and mc006-3.jpg is a function of the form mc006-4.jpg.
            mc006-5.jpg

What equation represents mc006-6.jpg?
A.
mc006-7.jpg mc006-8.jpgmc006-9.jpg
C.
mc006-13.jpg mc006-14.jpgmc006-15.jpg
B.
mc006-10.jpg mc006-11.jpgmc006-12.jpg
D.
mc006-16.jpg mc006-17.jpgmc006-18.jpg
 

 7. 

Given the functions mc007-1.jpg and mc007-2.jpg, what is the value of mc007-3.jpg?
A.
mc007-4.jpg
C.
mc007-6.jpg
B.
mc007-5.jpg
D.
mc007-7.jpg
 

 8. 

Given the functions mc008-1.jpg and mc008-2.jpg, what is the domain of the composite function mc008-3.jpg?
A.
mc008-4.jpg
C.
mc008-6.jpg
B.
mc008-5.jpg
D.
cannot be determined
 

 9. 

If mc009-1.jpg and mc009-2.jpg, what is the simplified combined function mc009-3.jpg?
A.
mc009-4.jpg
C.
mc009-6.jpg
B.
mc009-5.jpg
D.
mc009-7.jpg
 

 10. 

What is the value of 4!?
A.
10
C.
256
B.
16
D.
24
 

 11. 

The number of different ways that 8 bikes can be locked in a bike rack is
A.
2520
C.
40 320
B.
5040
D.
362 880
 

 12. 

Evaluate mc012-1.jpg.
A.
504
C.
120 960
B.
84
D.
60 480
 

 13. 

An orchestra has 2 violinists, 4 cellists, and 5 harpists. Assume that the players of each instrument have to sit together, but they can sit in any position in their own group. In how many ways can the conductor seat the members of the orchestra in a line?
A.
240
C.
34560
B.
40
D.
120
 

 14. 

Evaluate the expression mc014-1.jpg.
A.
66
C.
239 500 800
B.
120
D.
132
 

 15. 

Evaluate the expression mc015-1.jpg.
A.
17 280
C.
151 200
B.
31 752 000
D.
3 628 800
 

 16. 

After the tryouts for the volleyball team, the coach selects 13 people to join the team. Due to a problem with transportation, only 8 people can travel. In how many ways can the coach pick the people to go?
A.
104
C.
1287
B.
51 891 840
D.
520
 

 17. 

For a mock United Nations, 5 boys and 7 girls are to be chosen. If there are 11 boys and 9 girls to choose from, how many groups are possible?
A.
236 880
C.
10 059 033 600
B.
16 632
D.
498
 

 18. 

For which of the following terms is a = 66 in the expansion of (x + y)12?
A.
mc018-1.jpg
C.
mc018-3.jpg
B.
mc018-2.jpg
D.
mc018-4.jpg
 

 19. 

Suppose that 18 non-collinear points are plotted on a plane. Which expression represents the number of triangles that can be formed using these points?
A.
mc019-1.jpg
C.
mc019-3.jpg
B.
mc019-2.jpg
D.
mc019-4.jpg
 

 20. 

Solve for the variable:
mc020-1.jpg
A.
mc020-2.jpg
C.
60
B.
mc020-3.jpg
D.
7
 

Short Answer
 

 1. 

Given the functions sa001-1.jpg and sa001-2.jpg, determine a simplified equation for sa001-3.jpg.
 
 
For the following question(s), assume that x is in radians, if applicable.
 

 2. 

a) Graph the functions sa002-1.jpg and sa002-2.jpg on the grid.
b) Graph the function sa002-3.jpg on the same grid.
sa002-4.jpg
 

 3. 

Solve for n: sa003-1.jpg.
 

Problem
 

 1. 

a) Use the asymptotes and intercepts to make a quick sketch of the function pr001-1.jpg and its reciprocal pr001-2.jpg on the same set of axes.
b) Describe the symmetry in the graphs in part a).
c) Determine the equation of the mirror line in your graph from part a).
d) Determine intervals where f is positive and where f is negative. Determine intervals where g is positive and where g is negative. How do the two sets of intervals compare to each other?
e) Does the pattern from part d) occur for all pairs of functions pr001-3.jpg and pr001-4.jpg, pr001-5.jpg? Explain why or why not.
 

 2. 

Use the graph of the combined function pr002-1.jpg to determine an approximate solution to the inequality pr002-2.jpg.
pr002-3.jpg
 



 
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