Answer:
D. 81
Step-by-step explanation:
I am in the same class as you, I took the quiz and the answer was 81
I think that 5/3 is not equivalent to this numbers because 2/3 cannot be written in another as 5/3. It can only be written as 6/9 or 4/6. Im not entirely sure but i hope this helped.
The vertex form of parabola is,

Where
is vertex point.
In this case our parabola is given by,

Hence the vertex is at
.
Hope this helps.
Answer:
The exponential form of
is
.
Step-by-step explanation:
After some research in the web, we find that correct statement is:
Rewrite
in exponential form.
We obtain its exponential form by using the definition of logarithm:

