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Funciones en forma de resta

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Tarea de Algebra con Diana C. Mex

Tarea de Algebra con Diana C. Mex

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Funciones en forma de resta Presentation Transcript

  • 1. FUNCIONES EN FORMA DE RESTA
  • 2. Integrantes :
    Enma de la cruz Chi
    Oscar Encalada Sarricolea
    Ytati Pech Marín
    Cinthia Novelo Sansores
    Shana Martínez Gutiérrez
  • 3. Funciones lineales negativas:
    F(x)= 2x-3
    Df= {X/XE IR}
    Rf= {Y/Y E IR}
  • 4. EJEMPLOS: funciones cuadráticas
    F(x)= ax2F(X)=2X2-4
    DF= {X/XE IR}
    RF= {Y/Y mayores iguales que -4}
  • 5. F(X)=x2-2x-3
    DF= {X/XE IR}
    RF= {Y/Y menoresiguales que 3}
  • 6. FUNCION CUADRATICA DE LA FORMA f(x)= ax2+bx+c
  • 7. Funciones cubicas
    Del tipo ax3
    Del tipo –ax3+bx2+cx+d
  • 8. F(x):x3+4x2–x-4
    F(0)=(0)3+4(0)-0-4 (0,-4) -5 , 63
    =-4 2 8
    Raíces:
    F(x)=x(x2-1)+4(x2 -1)
    f(x)= (x+4)(x-1)(x+1)
    X+4=0 x-1=0 x-1
    X=-4 x=1 x=-1
    Puntos de retorno:
    x1 +x2 = -4+1(-1) = -5
    2 2 2
    b) x1+x2= -1+1= 0 = 0
    2 2 2
    F(-5/2)= (-5/2)3 +4(-5/2)2–(-5/2)-4
    =63 -5,63
    8 2 8
  • 9. Funciones por partes
    F(x)= x2-1 si -2 ≤ x ≤ 2
    x2-2 si 2≤ x ≤5
  • 10. Función radical
    F(x) - √ c-x2
    D[- √c, √c]
    R[0,- √c]
  • 11. y=- √x+c
    Y=- √X
    D[0,+ ∞]
    R [0,- ∞]
    X+C ≥0
    X ≥e