Potensfunktioner Flashcards

1
Q

Hvad er funktionen for potensfunktioner?

A

f(x) = b * x^a, x > 0

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2
Q

Hvad skal x altid være i en potensfunktion?

A

X > 0

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3
Q

Hvad skal b altid være i en potensfunktion?

A

b > 0

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4
Q

Hvad er konstanten b’s betydning i en potensfunktion?

A

En potensfunktion vil altid skærer i (1,b)

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5
Q

Hvad betyder det for funktionen hvis a > 1

A

At f(x) er voksende og grafen krummer opad

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6
Q

Hvad betyder det for funktionen hvis 0 < a < 1?

A

At f(x) er voksende men at grafen krummer nedad

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7
Q

Hvad betyder det for funktionen hvis a < 0?

A

At f(x) er aftagende

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8
Q

Hvis a < 0, hvad kaldes den så?

A

Den kaldes for en asymptote (grafen for funktionen nærmer sig uendelig tæt på)

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9
Q
A
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