Hello from MrBillDoesMath!
Answer:
-1 (which is the second choice)
Discussion:
Average rate of change = ( f(b) - f(a)) / (b-a) .
For us, a = 1 and b = 4. f(1) = 3 (from the graph) and f(4) = 0. Hence
average rate of change =
(0 - 3)/(4-1) =
-3/3 =
-1
The second choice.
Thank you,
MrB
