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Practice Final #13



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

 1. 

Compared to the graph of the base function mc001-1.jpg, the graph of the function mc001-2.jpg is translated
A
9 units to the left
C
9 units down
B
9 units to the right
D
9 units up
 

 2. 

Given the graph of f(x) shown below, what are the coordinates of point A if the transformed graph is represented by mc002-1.jpg?
mc002-2.jpg
A
mc002-3.jpg
C
mc002-5.jpg
B
mc002-4.jpg
D
mc002-6.jpg
 

 3. 

The function mc003-1.jpg represents a transformation that can best be described as
A
a reflection in the x-axis
C
a reflection in the y-axis
B
a reflection in the x-axis and the y-axis
D
a reflection in the line y = x
 

 4. 

Which of the graphs shown below represents the base function mc004-1.jpg and the stretched function g(x) = (mc004-2.jpgx)2?
A
mc004-3.jpg
C
mc004-5.jpg
B
mc004-4.jpg
D
mc004-6.jpg
 

 5. 

Compared to the graph of the base function mc005-1.jpg, the graph of the function mc005-2.jpg is translated
A
9 units to the left and 4 units down
C
9 units to the right and 4 units up
B
4 units to the left and 9 units down
D
4 units to the right and 9 units up
 

 6. 

Given the function mc006-1.jpg with a domain of mc006-2.jpg and a range of mc006-3.jpg, which of the following best describes the vertical and horizontal translations with respect to the graph of mc006-4.jpg?
A
5 units to the left and 8 units up
C
8 units to the left and 5 units up
B
8 units to the left and 5 units down
D
5 units to the left and 8 units down
 

 7. 

Which of the graphs shown below represents the base function mc007-1.jpg (in black) and the stretched function g(x) =mc007-2.jpg (in red)?
A
mc007-3.jpg
C
mc007-5.jpg
B
mc007-4.jpg
D
mc007-6.jpg
 

 8. 

Which graph shows the solution to the radical equation mc008-1.jpg?
A
mc008-2.jpg
C
mc008-4.jpg
B
mc008-3.jpg
D
mc008-5.jpg
 

 9. 

When solving the equation mc009-1.jpg, which values must be checked for extraneous roots?
A
–4 and 7
C
8 and 6
B
7 and –7
D
–4 and –7
 

 10. 

Which set of values for x should be tested to determine the possible zeros of mc010-1.jpg?
A
±5, ±7, and ±35
C
1, 5, 7, 12, and 35
B
±1, ±5, ±7, and ±35
D
1, 5, 7, and 35
 

 11. 

Which of the following angles, in degrees, is coterminal with, but not equal to, mc011-1.jpgmc011-2.jpg radians?
A
396°
C
486°
B
576°
D
216°
 

 12. 

Determine the measure of the angle in standard position shown on the graph below. Round your answer to the nearest tenth of a degree.
mc012-1.jpg
A
161.6°
C
71.6°
B
341.6°
D
251.6°
 

 13. 

John cuts a slice from a circular ice cream cake with a diameter of 24 cm. His slice is in the shape of a sector with an arc length of 7 cm. What is the measure of the central angle of the slice, in radians? Round your answer to two decimal places, if necessary.
A
1.71 rad
C
0.29 rad
B
3.43 rad
D
0.58 rad
 

 14. 

If the angle q is 1600° in standard position, in which quadrant does it terminate?
A
quadrant III
C
quadrant II
B
quadrant IV
D
quadrant I
 

 15. 

The point P(0.391, 0.921) is the point of intersection of a unit circle and the terminal arm of an angle q in standard position. What is the equation of the line passing through the centre of the circle and the point P? Round the slope to two decimal places.
A
mc015-1.jpg
C
mc015-3.jpg
B
mc015-2.jpg
D
mc015-4.jpg
 

 16. 

Which function, where x is in radians, is represented by the graph shown below?

mc016-1.jpg
A
mc016-2.jpg
C
mc016-4.jpg
B
mc016-3.jpg
D
mc016-5.jpg
 

 17. 

The range (in radians) of the graph of mc017-1.jpg is
A
mc017-2.jpg
C
mc017-4.jpg
B
mc017-3.jpg
D
mc017-5.jpg
 

 18. 

What is the amplitude of the sinusoidal function mc018-1.jpg?
A
mc018-2.jpg
C
–5
B
–8
D
7
 

 19. 

Which function represents the graph shown, where x is in radians?
mc019-1.jpg
A
mc019-2.jpg
C
mc019-4.jpg
B
mc019-3.jpg
D
mc019-5.jpg
 

 20. 

mc020-1.jpg is equivalent to
A
mc020-2.jpg
C
mc020-4.jpg
B
mc020-3.jpg
D
mc020-5.jpg
 

 21. 

mc021-1.jpg can be rewritten as
A
mc021-2.jpg
C
mc021-4.jpg
B
mc021-3.jpg
D
mc021-5.jpg
 

 22. 

What is the solution to the equation mc022-1.jpg over the domain mc022-2.jpg?
A
60° and 240°
C
no solution
B
120°, 180°, and 240°
D
120°
 

 23. 

What is the general solution, in radians, to the equation mc023-1.jpg?
A
mc023-2.jpg where mc023-3.jpg
C
mc023-4.jpg where mc023-5.jpg
B
no solution
D
mc023-6.jpg where mc023-7.jpg
 

 24. 

To the nearest year, how long would an investment need to be left in the bank at 5%, compounded annually, for the investment to triple?
A
15 years
C
28 years
B
26 years
D
23 years
 

 25. 

Another way of writing mc025-1.jpg is
A
mc025-2.jpg
C
mc025-4.jpg
B
mc025-3.jpg
D
mc025-5.jpg
 

 26. 

If mc026-1.jpg, mc026-2.jpg, and mc026-3.jpg, an algebraic expression in terms of s, v, and z for mc026-4.jpg is
A
v - 2s + 2z
C
v - 2(s - z)
B
v - 2(s + z)
D
v - 2s + z
 

 27. 

Solve mc027-1.jpg.
A
x = 6
C
x = mc027-3.jpg
B
x = mc027-2.jpg
D
x = 729
 

 28. 

Given the functions mc028-1.jpg and mc028-2.jpg, determine an equation for the combined function mc028-3.jpg.
A
mc028-4.jpg
C
mc028-6.jpg
B
mc028-5.jpg
D
mc028-7.jpg
 
 
For the following question(s), assume that x is in radians, if applicable.
 

 29. 

Given the functions mc029-1.jpg and mc029-2.jpg, what is the range of the composite function mc029-3.jpg?
A
mc029-4.jpg
C
mc029-5.jpg
B
cannot be determined
D
mc029-6.jpg
 

 30. 

The number of different ways that 9 bikes can be locked in a bike rack is
A
3 628 800
C
40 320
B
20 160
D
362 880
 

 31. 

Jenni and Hari go to a local Chinese restaurant for dim sum. If there are 20 items on the menu, and Jenni orders 7 items and Hari orders 11 items, which expression represents the total number of choices between them?
A
mc031-1.jpg
C
mc031-3.jpg
B
mc031-2.jpg
D
mc031-4.jpg
 

 32. 

Determine the coefficient, a, for the term mc032-1.jpg of the binomial expansion of mc032-2.jpg.
A
35
C
792
B
60
D
3 991 680
 

 33. 

Determine the 5th term in the expansion of mc033-1.jpg.
A
mc033-2.jpg
C
mc033-4.jpg
B
mc033-3.jpg
D
mc033-5.jpg
 

 34. 

Prom’s friend gives him a row of Pascal’s triangle and asks which row it comes from. Prom adds the numbers and obtains a sum of 65 536. Which row do the numbers come from?
A
34
C
17
B
18
D
16
 

 35. 

How many terms are there in the expansion of mc035-1.jpg?
A
6
C
12
B
13
D
11
 

Short Answer
 

 1. 

For each of the following, describe the combination of transformations that must be applied to the graph of sa001-1.jpg (shown in blue) to obtain the graph of g(x) (shown in red).
a) sa001-2.jpg
b) sa001-3.jpg
c) sa001-4.jpg
 

 2. 

Solve the equation sa002-1.jpg algebraically.
 

 3. 

Solve by graphing using technology. Round the root(s) to one decimal place.
a) x4 + x3 + x2 + x = 1
b) 0.1x4 = x3 + x2
 

 4. 

A child swings on a playground swing set. If the length of the swing’s chain is 3 m and the child swings through an angle of sa004-1.jpg, what is the exact arc length through which the child travels?
 

 5. 

Michael has invested some money with a financial institution. The scatter plot shows how his money has grown over time.
sa005-1.jpg
a) Do the data show an exponential trend? Explain your reasoning.
b) Estimate values of a and b to develop a model for the information of the form sa005-2.jpg, for t in years.
c) Use your model to predict the expected value of Michael’s investment in 30 years.
d) How does the result in part c) illustrate the power of exponential growth?
 

Problem
 

 1. 

The volume of a drinking cup can be approximated by the formula pr001-1.jpg, where the top and bottom of the cup are circular and h is the height. If the cup has a bottom diameter of 6 cm, a height of 10 cm, and sides that slope outward at an angle of 0.09, determine the cup’s volume.
 

 2. 

A windmill has blades that are 20 m in length, and the centre of their circular motion is a point 23 m above the ground. The blades have a frequency of 4 revolutions per minute when in operation.
a) Use a sinusoidal function to model the height above the ground of the tip of one blade as a function of time.
b) Graph the function over three complete cycles.
c) How far above the ground is the tip of the blade after 10 s?
 

 3. 

Express pr003-1.jpg  in terms of cosines and sines of x, y, and z.
 

 4. 

Solve pr004-1.jpg.
 

 5. 

Use the graph of the combined function pr005-1.jpg to determine an approximate solution to the inequality pr005-2.jpg.
pr005-3.jpg
 



 
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