Which expression results when the change of base formula is applied to log sub 4 of open paren x plus 2 close paren ?

The change of base formula gives log₄(x + 2) = log(x + 2) / log 4. The parentheses stay together as the argument of the numerator’s logarithm, so the correct expression is “the log of (x + 2) over log 4.”

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