(a) Write an equation that defines the exponential function with base a > 0.
(b) What is the domain of this function?
(c) If a ≠ 1, what is the range of this function?
(d) Sketch the general shape of the graph of the exponential function for each of the following cases.
(i) a > 1
(ii) a = 1
(iii) 0 < a < 1