Use rules of logarithms. Since it is multiple choice, there are only four possible answers. Check each one until you find one that works.
So, the answer is not A. You try for B, C, and D.
Use rules of logarithms. Since it is multiple choice, there are only four possible answers. Check each one until you find one that works.
So, the answer is not A. You try for B, C, and D.