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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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### 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)= ax2 F(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 menores iguales 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 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: a) 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 F(0)=(0)3+4(0)-0-4 (0,-4) -5 , 63 =-4 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 X+C ≥0 X ≥e Y=- √X D[0,+ ∞] R [0,- ∞]