daisy70
daisy70
23-05-2017
Mathematics
contestada
How do you find the inverse of this function?
Respuesta :
apologiabiology
apologiabiology
23-05-2017
solve for x then replace x with f⁻¹(x) and y with x
y=(4^x-5)/3
times 3
3y=(4^x-5)
add 5
3y+5=4^x
take log₄ both sides
log₄(3y+5)=x
switch
f⁻¹(x)=log₄(3y+5)
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