Question

Find the average rate of change of f(x)=5x^2-3 from 3 to 9

Answer 1

9514 1404 393

Answer:

60

Explanation:

The average rate of change on the interval is ...

(f(9) -f(3))/(9 -3) = ((5·9² -3) -(5·3² -3))/(9 -3) = (402 -42)/6 = 60