Question One
What is the average rate of change of the exponential function g(x) = 2^x - 1 between x=3 and x=7?
Question Two
Function f is an exponential function.

x 2 3 4 5 6
f(x) 9 27 81 243 729
What is the ratio of outputs for any two inputs that are 2 units apart? Divide the output for the larger x-value by the output for the smaller x-value.