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Math 110 All Sections
Fall 2011
Exam 2
September 29  October 5
All questions are multiple choice. There is no time limit. No notes are allowed.
Please do not write on the exam.
1
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View Full Document 1. For the polynomial
f
(
x
)=

3(
x
2
+1)(
x

9)
3
fnd the zeros and determine
i± the graph crosses or touches the xaxis at the given zero
(a) touches at 1 and 9
(b) touches at 1, crosses at 9
(c) crosses at 1 and 1, crosses at 9
(d) crosses at 9
(e) touches at 1
(±) none o± the above
2. Find the yvalue o± the
y
intercept o± the ±unction
f
(
x
)=
(
x
+5)(
x
+2)(
x

3)
x

1
(a)

5
(b)

2
(c) 3
(d) 1
(e) 30
(±) none o± the above
3. Which o± the ±ollowing ±unctions could have the ±ollowing graph?
(a)
f
(
x
) = 3
x
(
x

1)(
x

2)
(b)
f
(
x
) = 3
x
(
x

1)
2
(
x

2)
(c)
f
(
x
)=

x
(
x

1)(
x

2)
(d)
f
(
x
)=
x
(
x
+ 1)(
x
+ 2)
(e)
f
(
x
)=

x
(
x
+ 1)(
x
+ 2)
(±) none o± the above
2
4. Find the vertical asymptotes of the function
f
(
x
)=
2(
x

1)
x
2
+9
x

10
(a)
x
= 1 and
x
=

10
(b)
x
=

1 and
x
=

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This note was uploaded on 10/24/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.
 Fall '08
 Staff
 Math

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