Función Lineal Flashcards

1
Q

Formula

A

f(x) = mx + b

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2
Q

Casos particulares de la función lineal

A

1)
Función Constante
m=0
f(x)=b

2)
Función identidad
m=1 y m=0
f(x)=x

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3
Q

Fórmula de la pendiente

A

Y2 - Y1
m= ——————-
X2 - X1

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4
Q

Concavidad

A

Creciente m>0

Decreciente m<0

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5
Q

Intersección Y

A

(0,b)

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6
Q

Intersección X

A

m

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7
Q

Rectas paralelas

A

m1=m2

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8
Q

Rectas perpendiculares

A

m1 x m2 = -1

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9
Q

Sacar dominio

Nos dan ámbito

A

Sustituye por Y
D —-> [0,2] f(x): 2x+3
0= 2x + 3
2= 2x + 3

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10
Q

Sacar ámbito

Nos dan dominio

A

Sacar imágenes

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