I think d-12/3 not sure though sorry if its wrong
Answer:
The basis step is not even true.
Step-by-step explanation:
The basis step would be for n = 1.
If the basis step was true then you would have that.

Now. When you say
That's just a fancy way of writing 1.
On the other hand

Therefore

And the basis hypothesis is false.
The number above the fraction is called Numerator
Answer: B. (2,2)
Step-by-step explanation:
The vertex of the parabola in the form
is (h, k).