9log9(7) = ? Choose the correct choice from the following:  A) 1  B) 2  C) 7  D) 4  E) 5
Exponential and log functions are inverse of each other. Hence   aloga(x) = x , for all x real and positive.   and therefore   9log9(7) = 7   correct answer 7
<result>C</result>
9log9(7) = ?