Here we go ~
The air plane descends 15 feels every 1.45 seconds, so it's unit rate is :
Now we have to calculate the descent in 3.5 minutes ~
So, the airplane descends 2172.41 feels in three and a half minutes ~
Answer:
1=72
2=36
3=36
4=54
210000*1.125^t=f(t)
x = 3
Step-by-step explanation:
I hope this helps!