The table of values represents an exponential function ​f(x). What is the average rate of change over the interval βˆ’2≀x≀2 ? Enter your answer, as a decimal rounded to the nearest hundredth, in the box. x f(x) βˆ’3 8 βˆ’2 4 βˆ’1 2 0 1 1 12 2 14 3