Question

Dada a função f(x)=log1/3 X,calcule
F (3)
F (1/3)
F (-9)

Answer 1

f(x) = log1/3 x => f(x) = log3^-1 x => f(x) = -1 . log3 x
f(3) = log3^-1 x
= - log3 3
= - 1
f(1/3) = log1/3 1/3
= 1
f(-9) = -( log3 9 )
= 2