Answer:
20
Step-by-step explanation:
Let
t = time, hours
h = height, feet
At 1 PM, the time and height are respectively
t₁ = 1 hour
h₁ = 4400 feet
At 4 PM, the time and height are respectively
t₂ = 4 hours
h₂ = 5600 feet
By definition, the mean hourly change in elevation is

Answer: 400 feet per hour
Answer:
6 > x > 2
Step-by-step explanation:
This could be wrong, but if the number is less than six, and greater than two, itd look like that!