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Average rate of change of the function 
Solution:
Given function:
from x = 1 to x = 5
Substitute x = 1 and x = 5 in f(x).


Let us find the average rate of change of the function.
Average rate of change

Here a = 1 and b = 5.

Substitute f(5) and f(1).



Average rate of change of the function 
Answer: 250 miles
Step-by-step explanation: 440/8 = 50
50 x 5 = 250
Answer:
( - 3 ' - 4 )
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
because f (20) would also be 20. Since we don't know the value behind 20, we would suppose x is the value. The original equation is now
. If we do
we would get that (since x is being substituted)
.