Answer:
-1
Step-by-step explanation:
If i = √-1, then i^2 = -1.
Answer:
B)max/ opens down
Step-by-step explanation:
Parabola equation:
The equation of a parabola has the following format:

If
, that is, x² is multiplied by a positive number, the function has a minimum value and the parabola opens up.
If
, that is, x² is multiplied by a negative number, the function has a maximum value and the parabola opens down.
In this question:

From the graph, we already see that it opens down and has a max, and analitically, since
, this is confirmed. The correct answer is given by option b.
Answer:
Search it up my guy itsthere
Step-by-step explanation:
The answer is 9(3+x)
My work is in the attached image