Question

d) 3x ÷ 7 = - 9
e) 3 · (2x - 1) = 4
f) 3 · (2x - 1) = 16 + x
g) 3x - 4 + · = 2x + 1 + 2x -5

Answer 1

Explicação passo-a-passo:

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