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"Relations and Functions"

"Relations and Functions"

Group: "Academicians"

-Javier Céspedes -----> darkova.blogspot.com

1. What is an ordered pair? How graphic?
-The ordered pair is a pair of two elements, which are separated by a comma, it has two parts:
* First set: Composed of the first component.
* Second set: Composed of the second component.
Graphing:
- (a, b) where a is the first component of 1 set and "b" is the second component of the 2 nd set.
"As is ordered is not the same words (a, b) that (b, a). (1)
(1) Wikipedia.com. "Ordered pair". Available at: http://es.wikipedia.org/wiki/Par_ordenado

* Precalculus Online Contest. "Functions". Available at: http://ponce.inter.edu/csit/math/precalculo/sec3/cap3.html

2. What is the coordinate axis?
-axes are referred to the lines used to determine the position of a point (2).

(º)

(2) EducarChile. "coordinates." Available at: http://www.educarchile.cl/eduteca/nb3/sitio/gl.asp-cod=pr23.htm

(degrees) Online Contest precalculus. "Functions". Available at: http://ponce.inter.edu/csit/math/precalculo/sec3/cap3.html

3. What is a function? Its entirety and denotation.
-A function is a correspondence between elements of two sets, but on condition that an element of the first set, has a single element of the second set. (3) Denoting

:
-Sean "A" and "B" two sets, called A to B according to the relationship between each element of A with only one element of B. (3)
-The main elements of a function are the possible values \u200b\u200bthat variables can take. (4)


(3) Wikipedia.com. "Mathematical function. Available at:
³ http://es.wikipedia.org/wiki/Funcià n_matemà policy

(4) Descartes2d.José Luis Alonso Borrego. "Functions: elemntos of a function." Available at:
http://descartes.cnice.mecd.es/Bach_HCS_1/Funciones_formas_de_expresar/elementos.htm


4. What is the relationship?
-is a set of ordered pairs that are formed by an element of the first set (output), and an element of the second set (arrival). (5)

(5)

(5) Escol@ar.com . "Relations and Functions". Available at: http://www.escolar.com/matem/02relac.htm

5. Explained if the function is a relationship or it is a function:

6. Explain what is domain and range of a function:
Domain: This consists of the values \u200b\u200b(real numbers) for which the function is defined.
Range: These are values \u200b\u200bthat can take the function or values \u200b\u200bin the y-axis. ("Y")

* http://thales.cica.es/rd/Recursos/rd99/ed99-0295-01/punto1/punto1.html
* http://es.wikipedia.org/wiki/Dominio_de_definicià ³ n
* http://html.rincondelvago.com/calculo-diferencial-e-integral_1.html
* http://dieumsnh.qfb.umich.mx/DIFERENCIAL/funciones.htm # ddominio

7. Outlines and defines each of the classes of functions: basic functions


algebraic functions: polynomial

: the functions x → P (x), where P is a polynomial in x.
linear function: It is called linear because its graph is a straight line is a function where f (x) = mx + c
c: constant, m: slope x: domain.

quadratic function: A function of the form:

Rational Functions: The functions obtained by dividing a polynomial function of the other, not identically zero function

following transcendental functions:

Exponential function: A function of the form y = Logarithmic function ax

Functions: They are the:
* Sine, cosine, tangent, secant, cosecant, cotangent, inverse trigonometric functions. Hyperbolic
: They are the:
* hyperbolic sine, hyperbolic cosine, hyperbolic tangent.

* http://html.rincondelvago.com/funciones-matematicas.html
* http://es.wikipedia.org/wiki/Lista_de_funciones_matem% C3% A1tico
* http://100cia.com/enciclopedia/Clasificaci% F3n_de_funciones_matem% E1ticas

8. Determined at least five applications of the functions:

9. What is the matching rule in a function?
"It indicates that the criterion which are chosen pairs of elements of the domain and range; this criterion is given as an extension or an equation.

10. Describe and analyze linear functions

2

11. How would you explain the slope of a linear function?
-is the ratio between the leg opposite of a linear plot and the adjacent leg, ie its tangent.


12. Sets out five applications of the linear or first grade:

Two And A Half Men Jon Cryer Get Paid

La Moneda in Peru

1 .- What causes led to changes in currency in Peru?

- The causes are varied, first with the independence of Peru, Simón Bolívar gave a new coat to Peru, later when Peru was divided into two states, each manufactured its own currency. Then came the coins Febles Bolivian forced Peru to change base their monetary system 8 to the metric system, however, this system did not work and a law was passed, establishing the "Sun" as the new decimal currency, this change coincides with the period of boom Guanero.Años later, had another change due to the war with Chile, changing the "Inca Gold", which was not successful, appearing on "Golden Sun" but the law was changed to the "Inti", but the Inti was a large devaluation and there was the need to create a new monetary system, appearing and the "Nuevo Sol" (1).

(1) Museum Reserve Bank of Peru. "Coins of the Republic." Accessed 09/05/2005. Available at:
- http://museobcr.perucultural.org.pe/monrep.htm


(1)

* Copyright © 1996 Oscar Valdez Romero. "Numismatics Peruana". Available at: http://www.geocities.com/Athens/6237/perunet8.htm

*. "bimetal coins". Peru. Available at: http://ret001qm.eresmas.net/peru.htm

2 .- What are the major currencies in the commercial world?

are among the major currencies: the U.S. dollar, British pound, Euro, Swiss Franc, Yen, Canadian Dollar, Danish Krone, Norwegian and Swedish Kronor. These coins are considered the main, and that set the prices on the world market (2).

(2) © Banco de la Nación Argentina 2001. "Rates of major currencies." Accessed 09/05/2005. Available at:
- http://www.bna.com.ar/pymes/py_internacionales_cotizaciones.asp


1 º 2 º

1: Image taken from "Google ". Cosulta on 05/10/2005. Available at:
- http://students.washington.edu/cmr5/euro% 202.jpg

2: Image taken from "CB BUSINESSBANK." Cosulta on 05/10/2005. Available at:
- http://www.businessbank.md/attn_ru/168148/

3 .- The South American countries, are able to take the same coin?

- would be very difficult because the economic situation of South America, the instability of their governments and with so many economic crises, the possibility of a common monetary system is very difficult and tempting. However, the first thing you should do the South American economies is cleaning up its fiscal deficits, reduce debt and strengthen its democracy, as well as a comprehensive medium-binding term (3).

(3) Huaroto Ponce, Jorge Alejandro. Monografias.com. "Could there be an optimum currency area in South America?". Accessed 09/05/2005. Available at:
- http://www.monografias.com/trabajos17/area-monetaria-sudamerica/area-monetaria-sudamerica.shtml # conclu

4 .- In the century XX which is the currency that lasted more economic activities in Peru?

- The currency that has lasted into the twentieth century Peruvian economy was the "Sun", since, unlike intis pounds and lasted from 1933 to 1985, according to information from the Central Bank of Peru (4).

(4) Corrales César.PBS - Peruvian Banknotes Service. "Timeline for years." Accessed 05/10/2005. Available at:

- http://www.billetesdelperu.com/cronolog.html

BIBLIOGRAPHY:

-Museum Reserve Bank of Peru. "Coins of the Republic." Accessed 09/05/2005. Available at:

http://museobcr.perucultural.org.pe/monrep.htm

- © Banco de la Nación Argentina 2001. "Rates of major currencies." Accessed 09/05/2005. Available at: - http://www.bna.com.ar/pymes/py_internacionales_cotizaciones.asp

Huaroto -Ponce, Jorge Alejandro. Monografias.com. "Could there be an optimal currency area South America? ". Accessed 09/05/2005. Available at: - http://www.monografias.com/trabajos17/area-monetaria-sudamerica/area-monetaria-sudamerica.shtml # conclu

- Corrales César.PBS - Peruvian Banknotes Service. "Timeline for years." Accessed 5/10/1905. Available at:
- http://www.billetesdelperu.com/cronolog.html