The answer to your question is option d as x is positive ( making it open up), and the vertex is (-3,-4)
Answer:
x = 10
Step-by-step explanation:
Let p and w represent the speed of the plane and the speed of the wind, respectively.
.. speed = distance/time
.. p +w = 720/3 = 240
.. p -w = 720/4 = 180
Add the two equations to eliminate w.
.. 2p = 420
.. p = 210
.. w = p -180 = 30
The speed of the wind is 30 mph.
The speed of the plane in still air is 210 mph.
Answer: y=66
I hope it helps you!
The answer is 26 hope that helped
