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Republica Bolivariana de Venezuela
Ministerio del poder popular para la educación universitaria , ciencia y tecnología
Universidad Politécnica territorial del Estado Lara , Andrés Eloy Blanco
Barquisimeto Edo Lara
Programa Nacional de formación
Distribución y Logística
Matemáticas Actividad 1 Nombre :Edicta Orta
CI: 11425881
Seccion:DL1300
Actividad 1.
Colocar dos conjuntos de 4 elementos para el primer conjunto y 6 para el segundo conjunto. Crear dos relaciones
una que sea función y otra que no. Explique.
x y
1
2
3
4
A
B
C
D
E
F
f: X Y
Es una función
por que Y es el
valor que toma
f en x
Sea la función f :X Y, donde X =(1,2,3,4 ) Y =(a,b,c,d,e,f,)
Dom (f) = X = 1,2,3,4,
Conjunto de llegada= Y = A,B,C,D,E,F,
La regla f establece que f (1)=c f (2 ) =(b ) f (3)=(f) f ( 4)=d
1
2
3
4
5
6
No es una función por que una
función no puede tener dos
resultados distintos en el mismo
valor
2) Representar gráficamente las siguientes Funciones y determine dominio, rango en cada
Función
2.1) f(x)= x^3
2.2)f(x)=x^2+1
2.3)f(x)=2x-1
Ejercicios resueltos en imágenes anexas
Ejercicio 2.2 Ejercicio2. 3
Ejercicio 2.1
Graficas de una función :
En matemáticas la grafica de una función es la representación que nos permite observar el
comportamiento de la función .
La grafica es la representación de todos los pares ordenados de la función es decir como un
subconjunto de producto cartesiano .
La función logaritmo según libro de Jorge Sáenz: la función logaritmo de base (a) , y se denota
por logₐ ala función inversa de la función exponencial.
Función logarítmica natural : Es la función logarítmica con base e . A esta función se le denota
por : y =in X . O sea in X = logₑ x
Teorema 1.2 Leyes de los logaritmos
Si a > 0 , a ≠ 1 , u > 0, v > 0 y n es un numero real
Entonces:
1- logₐ (UV)= logₐ u + logₐ V ( logaritmo de un producto
2-logₐ
𝑈
𝑉
= log ₐ U - logₐ V ( Logaritmo de un cociente )
3- logₐ Uᶯ = nlogₐu ( logaritmo de una potencia )
Función exponencial: Es una función donde la variable independiente es T representando el tiempo .
Se dice que la función (t) crece exponencialmente si se cumple que :
f( T ) = Aₐᵏᵗ
donde a> 1 y A y K son constantes positivas
Lamamos función seno y función coseno
Sen : R →R, Sen ( T ) = Ordenada de L ( t )
Cas: R → R Cos ( t ) : Abscisa de L ( t)
Es decir L( T ) = (cos( t ), sen ( t ) )

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Matematica (1)edicta orta 1300

  • 1. Republica Bolivariana de Venezuela Ministerio del poder popular para la educación universitaria , ciencia y tecnología Universidad Politécnica territorial del Estado Lara , Andrés Eloy Blanco Barquisimeto Edo Lara Programa Nacional de formación Distribución y Logística Matemáticas Actividad 1 Nombre :Edicta Orta CI: 11425881 Seccion:DL1300
  • 2. Actividad 1. Colocar dos conjuntos de 4 elementos para el primer conjunto y 6 para el segundo conjunto. Crear dos relaciones una que sea función y otra que no. Explique. x y 1 2 3 4 A B C D E F f: X Y Es una función por que Y es el valor que toma f en x Sea la función f :X Y, donde X =(1,2,3,4 ) Y =(a,b,c,d,e,f,) Dom (f) = X = 1,2,3,4, Conjunto de llegada= Y = A,B,C,D,E,F, La regla f establece que f (1)=c f (2 ) =(b ) f (3)=(f) f ( 4)=d
  • 3. 1 2 3 4 5 6 No es una función por que una función no puede tener dos resultados distintos en el mismo valor
  • 4. 2) Representar gráficamente las siguientes Funciones y determine dominio, rango en cada Función 2.1) f(x)= x^3 2.2)f(x)=x^2+1 2.3)f(x)=2x-1 Ejercicios resueltos en imágenes anexas
  • 7. Graficas de una función : En matemáticas la grafica de una función es la representación que nos permite observar el comportamiento de la función . La grafica es la representación de todos los pares ordenados de la función es decir como un subconjunto de producto cartesiano . La función logaritmo según libro de Jorge Sáenz: la función logaritmo de base (a) , y se denota por logₐ ala función inversa de la función exponencial.
  • 8. Función logarítmica natural : Es la función logarítmica con base e . A esta función se le denota por : y =in X . O sea in X = logₑ x Teorema 1.2 Leyes de los logaritmos Si a > 0 , a ≠ 1 , u > 0, v > 0 y n es un numero real Entonces: 1- logₐ (UV)= logₐ u + logₐ V ( logaritmo de un producto 2-logₐ 𝑈 𝑉 = log ₐ U - logₐ V ( Logaritmo de un cociente ) 3- logₐ Uᶯ = nlogₐu ( logaritmo de una potencia )
  • 9. Función exponencial: Es una función donde la variable independiente es T representando el tiempo . Se dice que la función (t) crece exponencialmente si se cumple que : f( T ) = Aₐᵏᵗ donde a> 1 y A y K son constantes positivas
  • 10. Lamamos función seno y función coseno Sen : R →R, Sen ( T ) = Ordenada de L ( t ) Cas: R → R Cos ( t ) : Abscisa de L ( t) Es decir L( T ) = (cos( t ), sen ( t ) )