First of all, 2^n and 3^n are exponentials with different bases, and thus their sum cannot be simplified beyond 2^n + 3^n. In other words, these two functions cannot be combined ino one function (such as 4^n).
You may gain much more insight by graphing 2^n, 3^n and 4^n to determine whether there is truth in the given statement or not.
Answer:
<h2>D. (-1, -3)</h2>
Step-by-step explanation:

A reflection over the y-axis.
Is there more to the question? Because it could be any hours..
Answer:
41.666 =~41.67
Step-by-step explanation:
3a=125
a=125÷3
a=41.67