Representación de funciones Flashcards

1
Q

Función Recta tangente

A

g(x) = f(a) + f’(a)(x-a)

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2
Q

Por cada solución de la derivada f’(x)

A

hay como mucho dos soluciones de la función original f(x)

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3
Q

Número de soluciones

A

Al menos Bolzano
Como mucho Rolle

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4
Q

Monotonía

A

f’(x) = 0
Intervalos con dominio y P.C en f’(x)

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5
Q

f’(x) > 0
f’(x) < 0

A

f estrictamente creciente
f estrictamente decreciente

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6
Q

Candidatos a extremos

A

f’(x) = 0
Extremos del intervalo
Puntos donde f no es derivable (valor absoluto)

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7
Q

mínimo en (a,f(a))

A

f’(a-) < 0 ; f’(a+) > 0

f”(a) > 0

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8
Q

Máximo en (a,f(a))

A

f’(a-) > 0 ; f’(a+) < 0

f”(a) < 0

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9
Q

Simetría par
Simetría impar

A

f(-x) = f(x)
f(-x) = -f(x)

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10
Q

Asíntota vertical

A

lim f(x) = +-∞
x->a+-

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11
Q

Asíntota horizontal

A

lim f(x) = b
x-> +- ∞

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12
Q

Asíntota oblicua

A

y = mx + n

lim f(x)/x = m
x->+-∞

lim f(x) - mx = n
x->+-∞

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