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Question 1
1. (The function given below will be used for questions #1 – #5.)
Given :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626607,MEE1,22400573
Find the x value of the vertex (turning point).
x = 3
x = -3
x = -2
None of the above
5 points
Question 2
1. Using the same function as in #1, find the y value of the vertex.
y = -4
None of the above
y = 32
y = 4
5 points
Question 3
1. Is this vertex you found above a minimum point or a maximum point?
Minimum point
Maximum point
5 points
Question 4
1. What is the y-intercept of the function in #1?
(0, 6)
(0, 5)
(5, 0)
None of the above
5 points
Question 5
1. What are the zeros of the parabola in #1? (that is, at what points does the graph cross the x-axis?)
None of the above
{ (-1, 0), (-5, 0) }
{ (1, 0), (5, 0) }
{ (0, -1), (0,-5) }
5 points
Question 6
1. (Questions 6, 7, and 8 will use the following 2 functions.)
Given :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626776,MEE1,22400725
Find : (f + g)(x)
None of the above
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626829,MEE1,22400769
http://files.ecollege.com/binc/dynamicsrc.asp?file=140959113,MEE1,49418949
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626809,MEE1,22400751
5 points
Question 7
1. Using the functions in #6 , find (f – g)(x)
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626852,MEE1,22400790
None of the above
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626841,MEE1,22400779
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626863,MEE1,22400800
5 points
Question 8
1. Using the functions in #6 , find:
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626881,MEE1,22400816
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626902,MEE1,22400835
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626925,MEE1,22400853
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626891,MEE1,22400824
None of the above
5 points
Question 9
1. (Questions 9, 10, and 11 will use the following two functions.)
Given :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626932,MEE1,22400859
Find :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626947,MEE1,22400871
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626973,MEE1,22400885
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626980,MEE1,22400889
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626998,MEE1,22400905
None of the above
5 points
Question 10
1. Using the functions in #9 , find :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626619,MEE1,22400583
= 4(x – 2)
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626650,MEE1,22400611
None of the above
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626630,MEE1,22400593
5 points
Question 11
1. Using the information from one of the last two questions , find :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626676,MEE1,22400635
Undefined
0
None of the above
-3/2
5 points
Question 12
1. “y is directly proportional to x and is inversely proportional to the square root of w”
Give the equation.
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626690,MEE1,22400647
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626713,MEE1,22400667
None of the above
http://files.ecollege.com/binc/dynamicsrc.asp?file=140959031,MEE1,49418868
5 points
Question 13
1. Using the answer you got from question #12, find k when y = 4, x = 12 and w = 4.
k = 24
k = 16/3
None of the above
k = 2/3
5 points
Question 14
1. Given the cubic function :
http://files.ecollege.com/binc/dynamicsrc.asp?file=140959049,MEE1,49418885
What are the zeros of the cubic function?
{2, -2, 5}
{-2, 0, 2}
None of the above
{-2, 2, -5}
5 points
Question 15
1. Given the cubic function from #14, what is the function’s y-intercept?
(0, -20)
(0, -5)
None of the above
(0, 20)
5 points
Question 16
1. Using the same function from #14, what is:
http://files.ecollege.com/binc/dynamicsrc.asp?file=140959064,MEE1,49418901
f(3) = 4
None of the above
f(3) = -10
f(3) = 10
5 points
Question 17
1. (The following rational function will be used for questions 17, 18, and 19.)
Given :
http://files.ecollege.com/binc/dynamicsrc.asp?file=67626750,MEE1,22400700
What is the vertical asymptote?
None of the above
x = 2
x = -2
x = 0
5 points
Question 18
1. Using the same function from #17, what is the function’s horizontal asymptote?
y = 0 (or the “x axis”)
y = 4
y = -4
None of the above
5 points
Question 19
1. Using the same function from #17, what is this function’s y-intercept?
(0, 0)
None of the above
(0, 4)
(0, -2)
5 points
Question 20
1. Given:
What is the horizontal asymptote?
y=0 (the “x-axis”)
y=-2
y=½
y=4
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