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Math 12 Pre-Calc LG 16 Practice Quiz #3



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

 1. 

The rational function mc001-1.jpg is represented by which graph?
A.
mc001-2.jpg
C.
mc001-4.jpg
B.
mc001-3.jpg
D.
mc001-5.jpg
 

 2. 

Which function has vertical asymptotes with equations mc002-1.jpg and mc002-2.jpg mc002-3.jpg?
A.
mc002-4.jpg
C.
mc002-6.jpg
B.
mc002-5.jpg
D.
mc002-7.jpg
 

 3. 

Which function has a point of discontinuity at mc003-1.jpg?
A.
mc003-2.jpg
C.
mc003-4.jpg
B.
mc003-3.jpg
D.
mc003-5.jpg
 

 4. 

Which function has a y-intercept of mc004-1.jpg?
A.
mc004-2.jpg
C.
mc004-4.jpg
B.
mc004-3.jpg
D.
all of the above
 

 5. 

Which of the reciprocal functions has a vertical asymptote with equation mc005-1.jpg?
A.
mc005-2.jpg
C.
mc005-4.jpg
B.
mc005-3.jpg
D.
mc005-5.jpg
 

 6. 

What is the equation for the horizontal asymptote of the graph of the function shown?
mc006-1.jpg
A.
mc006-2.jpg
C.
mc006-4.jpg
B.
mc006-3.jpg
D.
mc006-5.jpg
 

 7. 

Which rational function has the following characteristics?
• a vertical asymptote with equation mc007-1.jpg
• a horizontal asymptote with equation mc007-2.jpg
• a point of discontinuity at mc007-3.jpg
A.
mc007-4.jpg
C.
mc007-6.jpg
B.
mc007-5.jpg
D.
mc007-7.jpg
 

 8. 

Which function has a graph in the shape of a parabola?
A.
mc008-1.jpg
C.
mc008-3.jpg
B.
mc008-2.jpg
D.
none of the above
 

 9. 

Solve the equation mc009-1.jpg.
A.
x = mc009-2.jpg
C.
x = mc009-3.jpg
B.
x = 3
D.
x = 4
 

 10. 

Solve the equation mc010-1.jpg.
A.
x = –3
C.
x = mc010-3.jpg
B.
x = mc010-2.jpg
D.
x = 8, x = –9
 

Short Answer
 

 1. 

a) Determine an equation in the form sa001-1.jpg for a function with a vertical asymptote at sa001-2.jpg and a y-intercept of sa001-3.jpg.
b) Sketch the graph of the function.
sa001-4.jpg
 

 2. 

Determine the approximate slope of the tangent to the curve sa002-1.jpg at sa002-2.jpg, to one decimal place.
 

 3. 

Consider the function sa003-1.jpg.
a) Determine the key features of the function:
      i) domain and range
      ii) intercepts
      iii) equations of any asymptotes
b) Sketch the graph of the function.
sa003-2.jpg
 

Problem
 

 1. 

Ingrid is docking a motorboat. She turns off the power and lets the boat coast toward the dock. The distance, d, in metres, between the boat and the dock as a function of time, t, in seconds, is given by pr001-1.jpg.
a) What is the average velocity of the boat during the time interval from when Ingrid turns the boat off to when it meets the dock?
b) Determine the velocity of the boat when Ingrid turns off the power, to one decimal place.
c) Determine the velocity of the boat when it meets the dock, to one decimal place.
d) Sketch the graph of the function. On the same set of axes, sketch the graph of the speed of the boat in relation to the time.
 

 2. 

a) Determine an equation in the form pr002-1.jpg for a function that has asymptotes with equations pr002-2.jpg and pr002-3.jpg and a y-intercept of 2.
b) Sketch the graph of your function.
 



 
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