NEED HELP IMMEDIATELY. I WILL BRAINLIEST

Step-by-step explanation:

Equation: y=

To create a parabola:

Does your parabola open up or down: If up, a>0 if down, a<0

This one opens down.

Is there a vertical strech or vertical compression:

No

What is the y-intercept: (0,9)

What strategy: Quadratic formula

Why?: You can fully factor the equation. You just get

-(  which isn't factorable.

Use the quadratic formula, where a= -1, b= 3, and c=9 to show your work.

Quadratic formula:

and

and

and

and

=

and

Cancel the negatives (-3) and (-2)

= end result

Good luck!

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

i dont know

step-by-step explanation: