Answer:
$17.45
Step-by-step explanation:
$17.45*3=52.35
$52.35+$45.99=$98.34
Given:
The logarithmic expression is:

To find:
The equivalent expression of given expression by using change-of-base formula.
Solution:
The change-of-base formula is:

The given expression is:

Using the change-of-base formula, we get

Where, is a constant and c>0.
Let
, then

Therefore, the correct option is a.