kap 3 trancendente funksjoner Flashcards

1
Q

Når er en funksjon injektiv/en-entydig

A

Når den er strengt voksende eller strengt avtagende og når hver x verdi bare tilsvarer en y verdi og hver y verdi tilsvarer bare en x verdi

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2
Q

Hva kan man si om verdimengden og definisjonsmengden til f og f^-1

A

Df=Vf^-1 og Vf=Df^-1

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3
Q

definisjonen av den inversderiverte

A

(f^-1)’(x)=1/f’(f^-1(x))

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4
Q

ln(e)=

A

1

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5
Q

e^0

A

1

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6
Q

e^-2

A

1/e^2

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7
Q

ln(1)

A

0

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8
Q

cosh(x)=

A

(e^x+e^-x)/2

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9
Q

sinh(x)=

A

(e^x-e^-x)/2

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10
Q

tanh(x)

A

(e^x-e^-x)/(e^x+e^-x)

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