Respuesta :

leocoolborn

Answer:

log4(9)

Step-by-step explanation:

  1. If y=[tex]b^{x}[/tex], then x=log b(y)

firstly add 2 to both sides, this will end up with [tex]4^{x} =9[/tex]

then just apply the statement i made above and you should get log4(9)

ricchad

Answer:

D.   x = log₄ 9

Step-by-step explanation:

4ˣ - 2 = 7

4ˣ  = 7 + 2

4ˣ  = 9

x = log₄ 9