Math 107

Section 6384 â€“ Exam #2 â€“ Due February 7, 2015 â€“ page 1 of 6

Follow these directions

carefully.

â€¢

This

exam is due by 11:59 PM Eastern time on February 7, 2015.

o

This

is an important assignment, counting 12% of your course grade.

o

Submit

this assignment in your assignments folder by the due date.

â€¢

Answer

all the questions.There

are 38 problems on 6 pages.

o There

are 135 points possible. I will grade

all the problems and convert your total score to a

percentage out of 100.

o No

work is requiredfor the MULTIPLE CHOICE

SECTIONor for the SHORT ANSWER SECTION. There isno

partial credit for these problems, soplease work carefully.

o

Show all workfor the LONG ANSWER

SECTION.There is partial credit for these problems.

â€¢

Answer

these questions on separate pages (not these sheets).

o

Use a separate document to

solve these problems. You may type your answers

in a document (like Word or Excel) or handwrite your answers and scan them in â€“

up to you.

o Submit your assignment asan attachment.

Use filename

1501Math107_6384_E2_LastName_FirstName.*

â€¢

You must work on your own,

consulting no other person except for me. You can of

course use yourbook, calculator, and any other resources, besides

people, that you may have at your disposal.

MULTIPLE

CHOICE SECTION. Choose the best

alternative. (2 pts

each)

1.

On

what interval is the function below constant?

.jpg”>

a)

(?4,?1)

c)

(?1,1)

b)

(1, 2)

d)

Not constant on

any interval

2.

What

is the slope of any line perpendicular tox+2y=3?

a)

2

c)

?2

b)

1 / 2

d)

?1 / 2

3.

The

center of the circle(x+5)2+(y+4)2=17 is(?5,?4).

T)

True

F)

False

4. An equation of the

line with slope 3 passing through(?3,10) is noty=

3x+10. Rather,

it isy=

3x+19.

T)

True

F)

False

Math 107

Section 6384 â€“ Exam #2 â€“ Due February 8, 2015 â€“ page 2 of 6

5.

The

line joining(?5, 5) and(?5,?5) has undefined slope.

T)

True

F)

False

6.

The

ordered pair(?5, 3

/ 4) is on the graph of the line8y?3x=21.

T)

True

F)

False

7.

A horizontal line containing the

point(2,

3) has

equationy=3.

T)

True

F)

False

8.

Determine

the domain and range of the function below.

.jpg”>

a)

Domain:(?5,?3)?(?3, 5)

Range: (?3,2)?(2, 4)

b)

Domain:[?5, 5]

Range: [?3, 4)

c)

Domain:[?5,?3)?(?3, 5]

Range: [?3,2)?(2, 4)

d)

Domain:(?5, 5)

Range: (?3, 4]

9.

Suppose that

f(x)= x2?3x?2andg(x)=4x+1.Determine(f?g)(?2).

a)

?7

c)

15

b)

1

d)

4

10.

Suppose that

f(x)= x2?5

andg(x)=

What is the domain of(f/g)(x)?

x?1.

a)

(??,1)? (1,?)

c)

(??,?

)

? (?

5

5, 5 )? ( 5,?)

b) [1,?)

d)

(1,?)

11.

Find an equation

of variation in which y varies inversely as x andy=15 whenx=10.

a)

y=

2

x

c)

y=

150

3

x

b)

y=

3

x

d)

y=6x

2

.jpg”>

Math 107

Section 6384 â€“ Exam #2 â€“ Due February 8, 2015 â€“ page 3 of 6

12.

Write an equation for a function that has the

shape ofy=

x, but is shifted right 2 units and down 6

units.

.jpg”>.jpg”>

a)

f(x)=

x+2

? 6

c)

f(x)=

x?2

+ 6

b)

f(x)=

x+2

+ 6

d)

f(x)=

x?2

? 6

13.

The

function f(x)=x3 is odd.

T)

True

F)

False

14.

The

graph ofy=1?x2 is symmetric about the y-axis, but not

the x-axis.

T)

True

F)

False

15.

The

graph of the relation below is the graph of a function.

.jpg”>

T)

True

F)

False

16.

The

relation(?2,0),(?1,1),(?1, 3) is a function.

T)

True

F)

False

17.

The

width of a rectangular blanket is 4 less than twice the length l.

Express the area of the blanket as a function of l.

a)

A(l)=4l? l2

c)

A(l)=3l?4

b)

A(l)=2l2?4

d)

A(l)=2l2?4l

SHORT

ANSWER SECTION.Be careful; there is no partial credit for these

questions.

(3 pts each)

For

questions 18 and 19,find

the distance between(1,?10)and(3,?6) :

18.

In

simplest radical form (no decimals).

19.

To

one decimal place. (Make sure you follow

the directions here.)

Math 107 Section

6384 â€“ Exam #2 â€“ Due February 8, 2015 â€“ page 4 of 6

Questions

20 and 21involve

the circle with equation(x+5)2+(y?3)2

=17.

20.

Determine

its center.

21.

Determine

its radius.

22.

Find

the slope of the line containing the points(?5,

8) and(5, 4). Express your answer as a

fraction in simplest form.

23.

A car travels at a constant rate of 40 miles

per hour for 45 minutes. How far did the

car travel?

Questions 24 and 25involve the function

graphed below.

.jpg”>

24.

On

what interval(s) is the function increasing?

Express your answer in interval notation.

25.

On

what interval(s) is the function decreasing?

Express your answer in interval notation.

26.

Find the domain

of the function

f(x)=

x?3

and write your answer

in interval notation.

3×2? 2x

? 5

Questions 27, 28 and 29

involve the function defined by

x2+1

x?5

f(x)=

2x

27.

.jpg”>Find

f(?2).

28.

Find f(0).

29.

Find f(?2)+f(18).

for x?

?2, for? 2.jpg”>

Youâ€™re

given the information that Graphs 1 and 2 are piecewise linear, and that Graph

2 is a transformation of Graph 1 using horizontal and vertical translations.Each numbered and lettered

part isworth 3 points. (So Question 33 is worth 12 points, 3 points per

part.)

30.

On

the interval?3?x?

?1, what is a formula for f(x)?

31.

On the interval?1?x?1, what is a formula

for f(x)?

32a

and 32b. Use your answers

to #30 and #31 to fill in the blanks.

?3? x

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.

Our customer support team is here to answer your questions. Ask us anything!

? Hi, how can I help?