Explicaê

01

(IBMEC-RJ) A figura mostra os gráficos das funções:

G(x) = loga (x+b) e f(x) = n1-x, onde x > -b, 0 < a ≠ 1, 0 < n ≠ 1.

O ponto A tem ordenada (y) igual a . Então, o valor de log4m (a . b) é igual a:

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