Question

This table shows a value that represents an exponential function what is the average rate of change for this function for the interval from x=3 to x=5?

Answer 1

C. 49

Explanation:

x = 3 , y = 27

x = 5, y = 125

∆y = 125 - 27 = 98

∆x = 5 - 3 = 2

98/2 = 49