Question

Find the average rate of change for the interval [2,5] for the following function f(x)=3^x

Answer 1

78

Explanation:

1. Find the values at 2 and 5: 3^2 = 9 3^5 = 243

2. Subtract to find the difference 243-9 = 234

3. Divide by the interval : 234/(5-2) = 78