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Questions for College Algebra - Quiz III | MATH 111, Quizzes of Algebra

Material Type: Quiz; Class: College Algebra >5; Subject: Mathematics; University: University of Oregon; Term: Fall 2005;

Typology: Quizzes

Pre 2010

Uploaded on 08/18/2009

koofers-user-k3r
koofers-user-k3r 🇺🇸

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Quiz for Math 111 (CRN 13936), Week 3
Note: Show your steps! These are the important base for grading.
Name
1. A group of students shared a house (the rent for the house is $1200 each month)
and they shared the rent equally. This month, one of the students decided to move out
to another house near school. This raises the share of each remaining person by $40 each
month. How many students shared the house in the beginning?
2. f(x) = 3
1 + x, what is the domain of this function f? And calculate the difference
quotient of f(x) (that is, f(x+h)f(x)
h).
1
pf2

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Quiz for Math 111 (CRN 13936), Week 3

Note: Show your steps! These are the important base for grading.

Name

  1. A group of students shared a house (the rent for the house is $1200 each month) and they shared the rent equally. This month, one of the students decided to move out to another house near school. This raises the share of each remaining person by $40 each month. How many students shared the house in the beginning?
  2. f (x) =

1 + x , what is the domain of this function f? And calculate the difference

quotient of f (x) (that is,

f (x + h) − f (x) h

  1. h(x) =

x^3 + x x^2 − 1 , calculate h(−x) and judge whether h(−x) equals −h(x) or not.

  1. f (x) =

x − 1 x ≤ 5 x^2 + 2 5 < x ≤ 10 , find the value of f (5), f (−5), f (0), f (

  1. and

f (−3), then decide the domain of f (x).

  1. f (x) =

−x^2 + 2 |x| , what is the value of f (1), f (−1), f (5) and f (−3)? What is the

domain of this function?