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Math Quiz 3 Solutions for Elementary Education Math I (Spring '02), Exercises of Elementary Mathematics

Cochin University of Science and TechnologyElementary Mathematics

The solutions for quiz 3 of prof. Brick's math 201 course for elementary education math i students during the spring '02 semester. The quiz covers various mathematical concepts, including number lines, partitions, and function composition using the functions f(x) = 2x + 1 and g(x) = x².

Typology: Exercises

2012/2013

Uploaded on 03/31/2013

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Prof. S. Brick Math 201
Spring ’02 Elem. Ed. Math I; Quiz 3 section 51
0. Print your name:
1. Use a numberline model to describe 3 + 5 = 8 and 10 −3 = 7.
2. Use a partition model to describe 11 ÷3
3. Let f(x)=2x+ 1 and g(x) = x2. Use the black box model with x= 2 to show that
(f◦g)(x) and (g◦f)(x) are different.

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Prof. S. Brick Math 201

Spring ’02 Elem. Ed. Math I; Quiz 3 section 51

  1. Print your name:
  2. Use a numberline model to describe 3 + 5 = 8 and 10 − 3 = 7.
  3. Use a partition model to describe 11 ÷ 3
  4. Let f (x) = 2x + 1 and g(x) = x^2. Use the black box model with x = 2 to show that (f ◦ g)(x) and (g ◦ f )(x) are different.