Question

Find the average rate of change of f(x) = x2 + 2x - 8 on the interval [5,
7]

Answer 1

Answer:

Graph the polynomial in order to determine the intervals over which it is increasing or decreasing. Increasing on: (1,∞) ( 1 , ∞ ). Decreasing on: (−∞,1) ( - ∞ , 1 ).

Step-by-step explanation: