Answer:
1.3 * 10^5
Step-by-step explanation:
Points of inflections are zeroes of the second derivative. We have:

So, the second derivative equals zero if and only if

So, this is the only point of inflection of this function.
Answer:
E and G are similar but not congruent.
Step-by-step explanation: I don't really know how to explain this but I am positive this is the answer.