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Funciones Racionales

¿Cómo se utilizan las funciones racionales y cuáles son las aplicaciones en la vida cotidiana?
by

Mauricio Moguel

on 4 April 2011

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Transcript of Funciones Racionales

Funciones Racionales Cuando usamos operaciones con polinomios, el término de funciones racionales es una manera simple de describir una relación particular entre dos polinomios.

Funciones Racionales

Si tengo 10 sandias y 3 grupos de alumnos, los cuales no sabemos cuántos alumnos hay en cada grupo, pero sabemos que 2 alumnos no vinieron porque se enfermarón, ¿Qué porcentaje de sandia le corresponde a cada alumno?

F(x)=10/3x-2

Dominio 3x-2=0 3x=2 x=2/3 x=.666

Rango y=10/3x-2 y(3x-2)=10 3xy-2y=10

3xy=10+2y x=10+2y/3y 3y=0 y=o/3 y=0



X f(X)=10/3x-2
1 f(1)=10/3(1)-2= 10/1= (1,10)
2 f(2)=10/3(2)-2= 10/4= (2,2.5)
3 f(3)=10/3(3)-2= 10/7= (3,1.428)
4 f(4)=10/3(4)-2= 10/10= (4,1)
5 f(5)=10/3(5)-2= 10/13= (5,.769)
10 f(10)=10/3(10)-2= 10/28= (10,.357)
15 f(15)=10/3(15)-2= 10/43= (15,.232)
20 f(20)=10/3(20)-2= 10/58= (20,.172)
25 f(25)=10/3(25)-2= 10/73= (25,.136)
30 f(30)=10/3(30)-2= 10/88= (30,.113)
35 f(35)=10/3(35)-2= 10/103= (35,.097)
40 f(40)=10/3(40)-2= 10/118= (40,.084)
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