Consider the function a(x) = 3x − 5. Homework Help ✎
What is the average rate of change of a(x) over the interval 2 ≤ x ≤ 6?
Repeat part (a) for the interval 5 ≤ x ≤ 7.
What can you conclude from your answers to parts (a) and (b)? Why?
Think about the graph of y = a(x).
What type of curve is it?